Document:

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                                                                   Exhibit 10.22
                                                                   -------------

 Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

                                  ETAK, INC.
                          INTERNET PROVIDER AGREEMENT

                            AGREEMENT NO. IP-96-007

ARTICLE 1: PARTIES, BACKGROUND AND DEFINITIONS

     1.1  Parties to Agreement. This Internet Provider Agreement (the
          --------------------
"Agreement") is entered into by and between Etak, Inc., a California corporation
("Etak") and Lucent Technologies Inc., a Delaware corporation ("Lucent").

     1.2  Background.  Etak develops and distributes digital geographic data,
          ----------
geographic access software, navigation products, geocoding services, and related
materials.  Lucent wishes to obtain from Etak the Licensed Products listed on
Exhibit A so that Lucent can create Derivative Products that are used to provide
Geographic Services to End Users via the Internet as further set forth in
Article 2.  Defined terms used in this Agreement are set forth in Section 11.1.

ARTICLE 2: APPOINTMENT OF LUCENT AND GRANT OF LICENSE

     2.1  Appointment. Etak hereby appoints Lucent, on a non-exclusive basis,
          -----------
and Lucent accepts such appointment, as an authorized Etak Internet Provider.

     2.2  Grant of Development License.  Etak hereby grants to Lucent a non-
          ----------------------------
exclusive, non-transferable, license to use each Licensed Product in object-code
form for the limited purpose of in-house development by Lucent of (i) Derivative
Products and (ii) Geographic Services on the Internet using those Derivative
Products.

     2.3  Grant of Right to Provide Geographic Services on the Internet. Etak
          -------------------------------------------------------------
hereby grants to Lucent the non-exclusive, non-transferable right to use the
Derivative Products to provide Geographic Services on the Internet to End Users,
provided that (i) Lucent has paid to Etak all fees due in accordance with
Exhibit A; and (ii) Lucent continues to comply with all provisions of this
Agreement.

     2.4  Permitted Geographic Services.  Lucent is permitted to provide the
          -----------------------------
following Geographic Service to End Users via the Internet, subject to the
following restrictions:

          (a)  Three Classes of Geographic Services.
               ------------------------------------

               (1)  "Maps On Us" WWW Site. Lucent is authorized to operate the
                    ---------------------
"Maps on Us" World Wide Web site to provide Map Images (as defined below in
section 2.4(b)) and Route Guidance (as defined below) to End Users. "Route
Guidance" means providing text-based or bit-map graphical directions regarding
how to travel from Point A to Point B in response to an End User inquiry for
such information, but does not include requests or instructions for more than
[**] endpoints [**] per request or more than [**] intermediate points per
request. The Maps On Us World Wide Web site shall be marketed and provided (i)
directly on behalf of Lucent and not on behalf of or by any third party, and
(ii) only under trade names and trademarks owned and controlled directly by
Lucent (except that Lucent shall include Etak's copyright notice and license
agreement link in accordance with section 2.4(b)(4)).

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 Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

               (2)  "Maps On Us" Internet Service. Lucent is authorized to
                    -----------------------------
     operate the "Maps on Us" Internet Service by which Lucent will provide a
     linked Internet service to a third party (the "Lucent Customer") with its
     own World Wide Web site so that End Users of the Lucent Customer's World
     Wide Web site can obtain Map Images and Route Guidance pertinent to the
     information contained on the Lucent Customer's World Wide Web site. Unlike
     the Maps On Us WWW Site, the Maps On Us Internet Service may be marketed
     and provided so that Lucent is invisible to the End User and is offered
     under the trade names and trademarks of the Lucent Customer, provided,
     however, that all other restrictions and conditions set forth in this
     Agreement are met.

               (3)  "Maps On Us" Intranet Service. Lucent is authorized to
                    -----------------------------
     operate the "Maps on Us" Intranet Service with the same scope of services
     as permitted above with respect to the Maps On Us World Wide Web Site, with
     the following distinction: the only End Users who shall be permitted to
     obtain access to the Maps on Us Intranet Service are those who have been
     granted a password by Lucent to access the Intranet Service, and Lucent
     shall retrieve and retain an audit trail showing each hit when a particular
     End User is using the Service, the particular End User using the Service,
     and what type and level of Service that End User is accessing as defined in
     section B3 of Exhibit A.

          (b)  Restrictions Applicable to all Classes of Geographic Services.
               -------------------------------------------------------------
               (1)  The Geographic Services shall be provided via
     telecommunications connection to the Internet, by means of a World Wide Web
     site owned and controlled by Lucent, the site server for which is located
     at a geographic location controlled by Lucent.

               (2)  Products shall not be disclosed, disseminated or distributed
     in digital form to any third party, including without limitation any End
     User or Lucent Customer. Products in digital form shall be used only on
     Lucent's own in-house server and not anywhere else or by anyone else.

               (3)  The Geographic Services shall consist of bit-mapped (raster)
     graphics images derived from the Products ("Map Images") and standard
     English text derived from the Products. In order to minimize data transfer
     time, Lucent is permitted to utilize Java Applets or Plug-in Mechanisms to
     provide the Geographic Services to the End User and Lucent Customer in
     digital, vector-based form. However, such digital form shall be invisible
     to and unusable by the End User and Lucent Customer. The End User and
     Lucent Customer shall be able to access, utilize and store the Map Images
     in bit-mapped (raster) graphic form, and in no other form. Lucent shall not
     authorize or enable the End User or Lucent Customer to download or access
     the Map Images or the Products in any form except as expressly authorized
     in this paragraph. Except as expressly permitted above in this section 2.4,
     Lucent shall not distribute, disclose, or market the Map Images or Products
     in any vector-based or digital form. Lucent may allow the Map Images to be
     rotated or zoomed by the End User's entering a manual keystroke for each
     such movement or rotation. A single Map Image shall not contain more than
     [**] "Features" derived from Etak's original digital Licensed Product. A
     "Feature" is defined as a one-cell as denoted in Etak's database. The Map
     Images may include icons added by Lucent representing the location of
     points, lines and areas of interest. End Users may be permitted to download
     more than one selected Image Map at a time, provided that all Map Images
     together do

                                       2
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 Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

     not contain more than [**] Features; however, if the screen consists of an
     Etak U.S. small scale Map Image or a portion thereof, plus an inset large-
     scale map or maps showing details of an area or areas of interest from
     within the bounds of the small scale Map Image, then only the Features
     contained in the inset large-scale Map Image(s) shall be counted towards
     the limit of [**] total Features. In no event shall End Users be
     authorized, enabled or permitted to download, access, utilize or store the
     Products or Map Images in any form except as expressly authorized above in
     this section 2.4.

               (4)  Lucent shall include an initial screen that must necessarily
     and unavoidably be viewed by each user that contains the following notice
     in conspicuous type: "Copyright Etak, Inc. 1984-1996. All Rights Reserved.
     By using this site, you agree to the attached LICENSE AGREEMENT." The term
                                                   -----------------
     LICENSE AGREEMENT shall, when clicked on, hot link to a page containing the
     -----------------
     full, unaltered text of the End User Internet License Agreement attached
     hereto as Exhibit B. In the same location Lucent shall also include a
     conspicuous disclaimer stating "Routes and road conditions may change and
     may not be accurately reflected in all cases. Please pay attention at all
     times to road conditions, routes, and street signs and other posted
     directional information."

               Each Map Image displayed shall conspicuously include the
     following notice: "Copyright Etak, Inc. 1984-1996. All Rights Reserved. Use
     Subject to LICENSE." The term LICENSE shall, when clicked on, hot link to a
                -------            -------
     page containing the full, unaltered text of the End User Internet License
     Agreement attached hereto as Exhibit B. If it is not technically possible
     to include the "LICENSE" hot link within the Map Image itself, then the Map
     Image may include the notice as ordinary text, provided that the hot link
     is placed immediately adjacent to the Map Image.

               Lucent shall submit Lucent's web page designs to Etak for Etak's
     review and approval as being compliant with this section 2.4 before Lucent
     utilizes any such designs. Lucent may submit a web page template to Etak
     that Etak approves and a new web page design need not be submitted to Etak
     if the notices as required by this section are included in the same manner
     as Etak previously approved in the template. Etak agrees to review and
     respond to Lucent's submission of a web page design within ten (10) working
     days of the date of receipt by Etak.

             2.5 Ownership. This Agreement does not constitute a transfer of any
                 ---------
     title or interest in the Licensed Products, and Etak reserves all rights in
     the Licensed Products not expressly granted to Lucent by this Agreement.
     Any portion of the Licensed Products that is modified or merged into other
     computer programs or data by Lucent, or is combined with other programs or
     data to form Derivative Products, shall continue to be subject to the
     provisions of this Agreement, and Etak retains ownership of all such
     Licensed Products and all such portions. However, Lucent shall be owner of
     any item which Lucent can show through contemporaneous, tangible evidence
     to be a Lucent Product. Nothing in this Agreement shall be construed as, or
     deemed to be, an express or implied license for Lucent to obtain or utilize
     any of Etak's patents, copyrights, trade secrets, or other intellectual
     property, except for the limited license with respect to Etak's copyrights
     and trade secrets for Etak's software and data expressly granted under the
     terms and conditions set forth in this Article 2.

              2.6 Authorized Purpose. Lucent shall not use the Products for any
                  ------------------
     purpose except as
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expressly authorized by this Article 2. By way of example and not by way of
limitation, Lucent is expressly prohibited from enabling the Product with any of
the following functions, or from creating a capability that allows third parties
to enable any of the following functions:

     PROHIBITED FUNCTIONS:
     --------------------

     .    Batch Geocoding (that is, determining geographic location such as
          latitude and longitude from address or intersection information
          through any means other than manual entry by the user of each request
          for geographic information); provided, however, that Lucent shall be
          permitted to utilize batch geocoding for Lucent's internal use only,
          and shall not provide Batch Geocoding services to any third party or
          enable the Product with Batch Geocoding.

     .    Communications to other devices for purposes of in-vehicle navigation
          or automated vehicle tracking, including without limitation:

     .    Interfacing to any user or vehicle motion or location sensors,
          including but not limited to CPS, gyroscopes, and wheel sensors;

     .    Rotating or moving map display (other than that produced by the user
          manually entering a keystroke for each given movement or rotation).

     .    Distribution by any means other than electronic telecommunications
          through the Internet as expressly authorized above. 2.7

     2.7  Object Code and Data Only. This license from Etak is for data and
          -------------------------
software in object code only. Etak does not grant any rights whatsoever to, and
Lucent shall not obtain access to or any use of, Etak source code or files.
However, if the parties agree, Etak will provide source code to Lucent for
certain software, subject to the terms and conditions of a mutually acceptable
separate agreement. In order to preserve Etak's trade secret, proprietary
information that is contained in the Products, Lucent shall not derive or
attempt to derive the source code, files or structure of all or any portion of
the Licensed Products by reverse engineering, disassembly, decompilation or any
other means.

     2.8  Copyrights.  The Licensed Products are copyrighted by Etak, and
          ----------
unauthorized copying of the Licensed Products, or any portion thereof, is
expressly prohibited.  Lucent shall ensure that each copy of a Product and any
portion thereof shall bear the same trademarks, logos, copyright notices and
proprietary legends as the Licensed Products which Lucent received from Etak,
and Lucent shall not remove such notice or alter or augment it (except for
adding Lucent's own copyright notice for Lucent Products).  Specifically, Lucent
shall conspicuously display Etak's copyright notice as described above in
section 2.4.

     2.9  Duplication of Products. Lucent shall not duplicate, manufacture, copy
          -----------------------
or reproduce any Products, or any portion thereof, except as necessary for (i)
internal use as expressly permitted in this Article 2; (ii) distribution in Map
Image form only to End Users via the Internet subject to the restrictions set
forth in Section 2.4; (iii) a limited number of copies at Lucent's own site for
back-up and archival purposes. Under no circumstances shall Lucent permit any
third parties to duplicate, manufacture, copy or reproduce any Products, or any
portion thereof.

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     2.10 Electronic Shipping.  If Etak delivers any Licensed Products to
          -------------------
Lucent via modem or other electronic means, all terms and conditions of this
Agreement shall apply to those Licensed Products in the same manner as if they
were delivered via traditional physical media.

ARTICLE 3: ORDERS AND PAYMENT TERMS

     3.1  License Fees, Royalties.  Lucent shall pay to Etak (i) fees, and (ii)
          -----------------------
royalties; in accordance with the Schedule of Fees and Royalties set forth in
Exhibit A with respect to each of the three authorized classes of Geographic
Services set forth in Section 2.4 of this Agreement.

     3.2  Shipment of Licensed Products.  Etak shall ship to Lucent any Licensed
          -----------------------------
Products ordered by Lucent under this Agreement within a commercially reasonable
time after receipt of Lucent's order therefor.

     3.3  Order Procedure. All orders by Lucent shall be controlled by the terms
          ---------------
and conditions of this Agreement. Any proposed variation from or addition to
these terms and conditions appearing on any purchase order or other document
submitted by Lucent shall be null and void, unless specifically accepted in a
writing signed by an authorized officer of Etak. Purchase orders are not valid
until accepted in writing by Etak. Shipments will be scheduled by Etak only upon
receipt of a duly executed purchase order from Lucent and upon acceptance of the
purchase order by Etak.

     3.4  Shipment Terms. All Licensed Products licensed under this Agreement
          --------------
shall be shipped F.O.B. from a facility of Etak. Lucent is responsible for all
shipping, insurance and related charges, and all risk of damage or loss to the
Licensed Products shall pass to Lucent at Etak's facility upon tender by Etak to
the carrier.

     3.5  Payment Terms. Net payment for fees and royalties due Etak from Lucent
          -------------
shall be due and payable in accordance with Exhibit A. Etak may refuse to ship,
or may delay the shipment of, any Licensed Products on order if Lucent becomes
delinquent in the payment of any of its obligations to Etak. All outstanding
amounts which are not paid when due shall bear interest at the lesser of: (i)
the maximum allowable statutory rate at the time, or (ii) 16% per annum. All
prices are net of any local, state or federal taxes, fees, assessments or other
levies, which shall be the sole obligation of Lucent. Lucent shall pay to Etak
all applicable local, state and federal taxes and levies unless Lucent has
presented to Etak a valid and appropriate certificate of exemption from those
taxes and levies.

ARTICLE 4: PROTECTION OF ETAK'S INTELLECTUAL PROPERTY

     4.1  Confidentiality of the Licensed Products. Lucent shall be the owner of
          ----------------------------------------
the storage media on which Etak delivers the Licensed Products. However, the
Licensed Products themselves, including all aspects thereof used or incorporated
in Derivative Products, together with all materials and knowledge related
thereto (the "Confidential Items"), are obtained by Lucent, and its employees,
agents and representatives, in confidence and except as expressly permitted by
this Agreement, shall not be used, duplicated or disclosed by any of them in any
form for the use or benefit of any person or entity, nor reproduced,
transcribed, imitated or

                                       5
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simulated in whole or in part, except for distribution in Map Image form or text
for Route Guidance to End Users via the Internet subject to the restrictions set
forth in Article 2. Lucent may disclose relevant aspects of the Confidential
Items to its employees, agents or representatives with a need to know who have
been advised that the Confidential Items are proprietary and confidential, and
who have previously or contemporaneously signed a nondisclosure agreement with
Lucent that is consistent with the standard Lucent Employee Intellectual
Property Agreement attached hereto as Exhibit C. Lucent shall protect and
preserve the confidentiality of the Licensed Products in accordance with
Lucent's standard policies applicable to Lucent's own confidential information
of an equivalent level of security, but in no event with less than reasonable
care.

     4.2  Duty to Assist. Lucent shall notify Etak promptly if Lucent has
          --------------
knowledge of any misappropriation of the Products or use of the Products by
anyone in any manner not expressly authorized by this Agreement, and shall
cooperate with any efforts by Etak to prevent any misappropriation or misuse of
the Products. The foregoing sentence does not obligate Lucent to conduct an
investigation of suspected misappropriation. In the event of any violation or
suspected violation of any provisions of this Article 4, Lucent shall promptly
notify Etak and shall, at Etak's expense, assist Etak in Etak's enforcement of
Article 4 against any current or former employee, agent or representative of
Lucent or any End User.

ARTICLE 5: WARRANTIES AND DISCLAIMER THEREOF

     5.1  Limited Warranty By Etak.
          ------------------------

          (a)  Etak warrants to Lucent that the Software Licensed Products will,
for ninety (90) days from the date of initial delivery, and that the Data
Licensed Products will, for one (1) year from the date of initial delivery,
substantially conform to the contemporaneous specifications contained in Etak's
Documentation, when used in an Etak-approved operating environment; and that the
media (if any) on which Etak delivers the Licensed Products to Lucent will be
free of manufacturing defects on the date of initial delivery.

          (b)  Lucent acknowledges that the Licensed Products are complex and
may contain some nonconformities, defects or errors. Etak does not warrant that
the Licensed Products will meet Lucent's needs or expectations, that operations
of the Licensed Products will be error free or uninterrupted, or that all the
nonconformities can or will be corrected. Lucent must notify Etak in writing
within the applicable warranty period set forth above of any claim that the
Licensed Products do not meet this Limited Warranty. Etak's SOLE OBLIGATION and
Lucent's SOLE REMEDY under this Limited Warranty is for Etak to use reasonable
efforts to repair or replace the Licensed Products or to provide an avoidance
procedure at Etak's expense within a commercially reasonable time so that the
Licensed Products substantially conform to the specifications contained in the
Documentation, or at Etak's option, to refund the royalties previously paid by
Lucent for the units of Licensed Products involved. If Lucent is unable to
describe the claimed nonconformity with sufficient specificity to enable Etak to
confirm it, then no nonconformity shall be deemed to exist.

          (c)  If the media delivered to Lucent by Etak containing the Licensed
Products possess manufacturing defects, upon notice from Lucent, Etak will
provide Lucent with a replacement copy of the Licensed Products, and Lucent
shall return to Etak the defective copy.

                                       6
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Etak's policy is to use virus-checking software on the Licensed Products before
they are shipped; however, because virus-checking software is not one hundred
percent reliable, Etak cannot and does not warrant that the Licensed Products
will be free from all viruses. Accordingly, Lucent should run its own virus-
checking software on the Licensed Products before loading them. If Lucent
discovers a virus on a Licensed Product as delivered by Etak that Lucent cannot
remove, Etak shall make another delivery of that Licensed Product to Lucent upon
Lucent's return of the first delivery. Etak agrees not to intentionally insert
into the Licensed Products any malicious code, program or other internal
component (e.g. computer virus, computer worm, computer time bomb, or similar
component) which is designed to damage, destroy or alter software or data.

     (d) Etak agrees that Etak's pricing to Lucent will be consistent with
applicable trade regulations.

     (e) This warranty shall not apply to any nonconformities arising from
Lucent's modification or attempted modification of the Licensed Products. If,
upon Lucent's request, Etak chooses to correct nonconformities resulting from
Lucent's modification of the Licensed Products, Lucent shall be charged for and
agrees to pay for custom programming at Etak's then current standard hourly
rate.

     (f) This Limited Warranty is void if any nonconformity has resulted from
accident, abuse, misuse, or misapplication. This Limited Warranty is for
Lucent's exclusive benefit and is non-transferable, and Lucent agrees that this
Limited Warranty fulfills its essential purpose.

     (g) THE EXPRESS WARRANTY PROVIDED IN SECTIONS 5.1(a) THROUGH (f) IS A
LIMITED WARRANTY AND IT IS THE ONLY WARRANTY MADE BY ETAK. ETAK MAKES AND LUCENT
RECEIVES NO OTHER WARRANTY, WHETHER EXPRESS OR IMPLIED, AND ALL WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR ANY PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED.
THE STATED EXPRESS WARRANTY IS THE EXCLUSIVE REMEDY FOR DAMAGES AND IS IN LIEU
OF ALL LIABILITIES OR OBLIGATIONS OF ETAK. NO ORAL OR WRITTEN ADVICE OR
INFORMATION PROVIDED BY ETAK OR ANY OF ITS AGENTS OR EMPLOYEES SHALL CREATE A
WARRANTY OR IN ANY WAY INCREASE THE SCOPE OF THIS LIMITED WARRANTY, AND LUCENT
IS NOT ENTITLED TO RELY ON ANY SUCH ADVICE OR INFORMATION.

     5.2  Lucent Express Warranty. Lucent represents and warrants that it
          -----------------------
possesses the financial resources, technical facilities and skill, and other
requirements necessary for its timely and full performance pursuant to the terms
and conditions of this Agreement, and that it is an experienced and
knowledgeable user and distributor of computer software and data.

ARTICLE 6: INDEMNIFICATION

     6.1  Indemnification by Etak.
          -----------------------

          (a)  Lucent shall notify Etak promptly upon learning of any threatened
or asserted claim that the Licensed Products infringe any patents, copyrights,
trade secrets or other intellectual property rights of any third party. Etak
shall have the sole right to control the

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defense and negotiation of all such claims with respect to the Licensed Products
as originally delivered to Lucent or as incorporated within the Derivative
Products, and Lucent shall fully cooperate in Etak's defense of all such claims
at Etak's expense.

          (b)  Etak shall protect, defend (or in Etak's discretion, settle),
indemnify and hold Lucent harmless from any and all claims, demands,
liabilities, obligations, damages, suits, judgments or settlements
(collectively, "Claims"), including reasonable costs and attorneys' fees, that
are asserted against Lucent to the extent that such Claims are based upon a
contention that the Licensed Products used within the scope of this Agreement
infringe any patents, copyrights, trade secrets or other intellectual property
rights of any third party created by United States federal law, the law of any
of the United States, or the law of any nation that is a signatory to the Berne
Convention or the General Agreement on Tariffs and Trade, provided that Lucent
notified Etak in writing of such claim in sufficient time to enable Etak to
fully protect its interests without prejudice.

          (c)  If, as a result of any claim of infringement described in this
Section 6.1, Etak reasonably believes that an injunction or temporary
restraining order or such a claim is likely, Etak may in its sole discretion and
at its expense procure the right for Lucent to continue to use said Licensed
Product, or replace or modify the Licensed Product so as to make it non-
infringing. If, as a result of any claim of infringement described in this
Section 6.1, a temporary restraining order or injunction is issued prohibiting
Etak from licensing or sublicensing any Licensed Product, or prohibiting Lucent
from using any Licensed Product, Etak may in its sole discretion and at its
expense procure the right for Lucent to continue to use said Licensed Product,
replace or modify the Licensed Product so as to make it non-infringing, or if
the above options are not available to Etak on a commercially reasonable basis,
terminate this Agreement and refund the unamortized portion of the license fees
and royalties previously paid by Lucent for the use of the affected units said
Licensed Product. Calculation of the unamortized portion of the license fees
royalties shall be based upon five (5) years' straight line depreciation.

          (d)  Etak shall not have any liability under this Article 6 to the
extent that such a claim of infringement is based upon the use of the Licensed
Products in combination with other products not furnished or made by Etak (other
than a claim based upon the combination of the Licensed Products with operating
software that Etak lists as compatible with the Licensed Products), the use of
the Licensed Products in practicing any infringing process, the modification of
the Licensed Products or any portion thereof by anyone other than Etak, or
application or for the use Licensed Products in a manner for which they were not
designed or specified by Etak.

          (e)  Sections 6.1(a) through 6.1(e) state the entire and exclusive
obligation of Etak to Lucent or Lucent's End User for any claim of infringement
relating to the Licensed Products.

     6.2  Indemnification by Lucent. Lucent shall protect, defend, indemnify and
          -------------------------
hold Etak harmless from any and all claims, demands, liabilities, obligations,
damages, suits, judgments or settlements (collectively, "Claims"), including
reasonable costs and attorneys' fees, that arise from the act, neglect, omission
or unperformed obligation of Lucent in the development, modification, use or
distribution of the Derivative Products or Lucent Products or Lucent's breach of
any provision of this Agreement.

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ARTICLE 7: LIMITATION ON LIABILITY

     IN NO EVENT SHALL EITHER PARTY BE LIABLE FOR ANY CLAIM OR LOSS INCURRED BY
THE OTHER PARTY (INCLUDING WITHOUT LIMITATION COMPENSATORY, INCIDENTAL, DIRECT,
INDIRECT, SPECIAL, CONSEQUENTIAL OR EXEMPLARY DAMAGES, LOST PROFITS,
EXPENDITURES, LOSS OF GOODWILL, OR DAMAGES RESULTING FROM LOST DATA OR INABILITY
TO USE DATA) IRRESPECTIVE OF WHETHER SUCH PARTY HAS BEEN INFORMED OF, KNEW OF,
OR SHOULD HAVE KNOWN OF THE LIKELIHOOD OF SUCH DAMAGES, EXCEPT AS EXPRESSLY
PROVIDED IN ARTICLES 5 AND 6 AND 9, AND IN THE SENTENCE SET FORTH BELOW AT THE
END OF THIS ARTICLE 7.  THIS LIMITATION APPLIES TO ALL CAUSES OF ACTION IN THE
AGGREGATE, INCLUDING WITHOUT LIMITATION BREACH OF CONTRACT, BREACH OF WARRANTY,
NEGLIGENCE, STRICT LIABILITY, MISREPRESENTATION, AND OTHER TORTS, NOR SHALL
EITHER PARTY BE LIABLE FOR ANY CLAIM OR DEMAND AGAINST THE OTHER PARTY BY ANY
OTHER PERSON, ORGANIZATION OR ENTITY (EXCEPT AS EXPRESSLY SET FORTH IN ARTICLE
6).  ETAK SHALL NOT BE LIABLE TO LUCENT BECAUSE OF ANY EXPIRATION, TERMINATION
OR FAILURE TO RENEW OR EXTEND THIS AGREEMENT, OR FOR FAILURE TO TIMELY DELIVER
PRODUCT.  IF ETAK'S LIMITED WARRANTY OR THE LIMITATION OF LIABILITY SET FORTH IN
THIS AGREEMENT SHALL FOR ANY REASON WHATSOEVER BE HELD UNENFORCEABLE OR
INAPPLICABLE, EACH PARTY AGREES THAT THE OTHER PARTY'S LIABILITY SHALL NOT
EXCEED FIFTY PERCENT (50%) OF THE ROYALTIES PAID BY LUCENT TO ETAK WITH RESPECT
TO THE LICENSED PRODUCTS UNITS THAT ARE THE SUBJECT OF THE CLAIM.  EXCEPTION:
THIS ARTICLE 7 SHALL NOT APPLY TO ANY CLAIM BY ETAK AGAINST LUCENT WITH RESPECT
TO:  (1) VIOLATION OF ANY OF ETAK'S INTELLECTUAL PROPERTY RIGHTS; (2) VIOLATION
BY LUCENT OF ARTICLES 2 OR 4 HEREOF.  FURTHER, THIS ARTICLE 7 SHALL NOT BE
CONSTRUED TO PRECLUDE ETAK FROM COLLECTING FEES AND ROYALTIES OWED BY LUCENT
UNDER THE PROVISIONS OF THIS AGREEMENT.

ARTICLE 8: RECORDS, REPORTS AND AUDITS

     8.1  Required Records.  Lucent shall prepare and maintain at its expense
          ----------------
complete and accurate books and records documenting the provision of any
Geographic Services to End Users and Lucent Customers, and any revenues of any
type received or derived therefrom.  The books and records prepared by Lucent
shall be retained for a minimum of three (3) years from the date on which Lucent
is obligated to pay such fee to Etak.

     8.2  Reports to Etak. Lucent shall, within thirty (30) days after the end
          ---------------
of each calendar month, provide Etak with a written report of Lucent activities
under this Agreement. Such report shall include the number of Internet accesses
of the Geographic Services occurring that month, and shall state the gross
revenue received or derived by Lucent from the Products or related services.
Etak shall hold such information confidential, except as needed by Etak to
enforce its rights or Lucent's obligations under this Agreement.

     8.3  Audit.  During the initial term hereof, any renewal periods, and for a
          -----
period of one (1) year after expiration or termination of this Agreement, Etak
shall have the right, not more

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  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

often than once per year, at its expense and upon reasonable notice, to examine
or have examined by its authorized representative, Lucent's books and records to
determine or verify Lucent's performance hereunder with respect to license and
confidentiality provisions (Articles 2 and 4), the amounts of license, support
and other fees due to Etak by Lucent hereunder, and the extent that such amounts
have been paid, and the accuracy of any such reports furnished by Lucent to
Etak. If the audit demonstrates that Lucent has paid to Etak 95% or less of the
fees or royalties actually owed to Etak, then Lucent shall promptly pay the cost
of such audit, in addition to the amounts actually owed. Etak shall hold
confidential the information obtained from Lucent through such audit, except as
needed by Etak to enforce its rights or Lucent's obligations under this
Agreement. Lucent shall have the option of requiring Etak to use an outside,
independent auditor, for such examination, upon written request to Etak,
provided that Lucent first deposits with such outside auditor the estimated cost
thereof.

ARTICLE 9: TERM AND RENEWAL

     Unless terminated earlier pursuant to any provision of Article 10, this
Agreement shall commence on the date countersigned by an authorized officer of
Etak after having been signed by Lucent, and shall continue in force for three
(3) years from said date. However, Lucent shall have the right to terminate this
Agreement at the end of the first year or second year that this Agreement is in
effect by giving written notice thereof to Etak at least ninety (90) days before
the end of the first year or second year of this Agreement, respectively,
provided that Lucent first pays to Etak a $25,000 termination fee in addition to
all fees and royalties owed by Lucent hereunder through the date of termination.
Thereafter, this Agreement shall be automatically renewed for one-year periods,
unless during any such one-year period either party notifies the other party at
least ten months before the expiration date of this Agreement, as it may have
been extended, of that party's intention not to extend the Agreement, in which
event this Agreement shall expire automatically without judicial action. Etak
shall notify Lucent at least 120 days before the expiration date of this
Agreement, as it may have been extended, of any proposed changes in the
royalties and fees to be paid by Lucent in the renewal period. In no event shall
the [**] that [**] is then [**] Internet providers who are making the [**] and
offering the [**] using the same type of [**]. If the above sentence is
violated, then as Lucent's SOLE REMEDY and Etak's SOLE OBLIGATION, Etak shall
[**] to the [**] and the [**] by the [**] over the period during which [**] than
what the [**]. This [**] but only as [**]. This [**] provision shall not apply
to third party [**] settlement or litigation.

     Lucent does not have or acquire by execution of this Agreement, by
performance hereunder, or otherwise, any vested right with respect to the
distribution of Products or the renewal of this Agreement.  If Etak continues a
business relationship with Lucent after termination or nonrenewal of this
Agreement, that relationship shall not be construed as a renewal of this
Agreement or a waiver of termination, but such relationship shall be "at will,"
terminable at any time with or without cause or notice by either party, and all
such transactions shall be governed by terms otherwise identical to the relevant
provisions of this Agreement, unless the parties have executed a new written
agreement superseding this Agreement.

                                       10
<PAGE>

ARTICLE 10: TERMINATION, EFFECTS THEREOF AND REMEDIES

     10.1 Termination Events.
          ------------------

          (a)  Etak may terminate this Agreement immediately, without judicial
action, and (i) with two (2) days' notice if Lucent violates any of the
provisions of Articles 2 or 4; and (ii) with thirty days, notice and opportunity
to cure: if Lucent commits a material breach of any other provision of this
Agreement or otherwise fails materially to fulfill any of its obligations
hereunder, or if Lucent neglects or fails to conduct its business in a manner
that represents fairly Etak products and the good name, goodwill and reputation
of Etak. In addition, Lucent shall have the right to terminate this Agreement
with thirty days' notice and opportunity to cure if Etak commits a material
breach of any provision of this Agreement.

          (b)  Either party hereto may terminate this Agreement immediately upon
written notice to the other party without opportunity for cure if such other
party becomes insolvent or, whether voluntary or involuntary, if any process or
proceeding of any court is instituted against such party by attachment or levy
or execution, in insolvency or bankruptcy, or in receivership, or if any general
assignment is made or attempted to be made for the benefit of creditors by such
party. If either party ceases to conduct its business in the normal course of
business, the other party may by thirty (30) days written notice terminate this
Agreement.

     10.2 Survival.  Termination of this Agreement for any reason or its natural
          --------
expiration shall not relieve Lucent of its obligations to make full payment to
Etak for any and all amounts that are owed by Lucent to Etak.  In addition,
Sections 2.5, 2.7, 2.8, 2.9, Article 4, Article 5, Article 6, Article 7, Article
8, Section 10.3, and Article 11 hereof shall survive any such termination or
expiration.

     10.3 Return of Information. Promptly upon expiration or termination of this
          ---------------------
Agreement Lucent shall, at its expense, return to Etak all copies of the
Products, related materials, and other materials developed by or belonging to
Etak which are in possession or control of Lucent, and shall make no further use
thereof in any form. Concurrently therewith, a duly authorized employee of
Lucent shall certify in writing to Etak that all such materials have been
returned to Etak.

ARTICLE 11: GENERAL PROVISIONS

     11.1 Definitions.  In this Agreement, the following are defined terms:
          -----------

     (a)  "Licensed Products' means all software ("Software"), data ("Data"),
documentation and related materials as listed on Exhibit A hereto, as amended
from time to time by the mutual consent of the parties, or supplied by Etak to
Lucent.

     (b)  "Products" means Licensed Products and Derivative Products.

     (c)  "Lucent Products" means all new and original products independently
created by Lucent without use or inclusion of any portion of a Licensed Product.

     (d)  "Derivative Products" means all works created by Lucent which are
based upon or incorporate all or part of one or more Licensed Products, such as
a revision, modification, translation, abridgment, condensation, expansion,
collection, compilation or any other form in which such Licensed Products may be
recast, transformed or adapted.

                                       11
<PAGE>

  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

     (e)  "End User" means any third party who is granted the right to use any
of the Products.

     (f)  "Geographic Services" shall have the meaning set forth in section 2.4
of this Agreement.

     11.2 Final Agreement. This Agreement supersedes all prior and
          ---------------
contemporaneous agreements and understandings between the parties relating to
its subject matter and is the complete and exclusive statement of the terms of
their Agreement, and may be amended only by a writing so stating its purpose,
and signed by both parties.

     11.3 Governing Law; Jurisdiction. This Agreement and all aspects of the
          ---------------------------
relationship between Etak and Lucent shall be governed by and construed in
accordance with the internal laws of the State of California.

     11.4 Product Changes. Etak has the right to modify or discontinue any of
          ---------------
the Licensed Products at any time whatsoever, with [**] written notice to
Lucent. If Etak modifies or discontinues any License Product, Etak shall [**]
make any [**] with respect to Licensed Products previously delivered to Lucent.

     11.5 Arbitration. Any dispute arising out of, connected with or relating to
          -----------
this Agreement, the past, present or future relationship between Etak and
Lucent, or the termination or non-renewal of this Agreement or of the
relationship between Etak and Lucent, whether sounding in contract, tort or
otherwise, shall be finally resolved exclusively by arbitration. Such
arbitration shall be conducted by a panel of three arbitrators. To the greatest
extent practicable, the arbitrators shall be appointed from a pool of
arbitrators who are stated to have experience or expertise in the computer
industry. The arbitration shall proceed in accordance with the then current
commercial rules of the American Arbitration Association. Any award made by the
arbitration panel, however constituted, shall be final, binding and conclusive
on all parties for all purposes and judgment may be entered thereon by any state
or federal court having jurisdiction.

     11.6 Notices. Any notice, request or demand required to be given or made
          -------
hereunder in writing, and may be delivered in person, by certified or registered
mail, postage prepaid, or by facsimile confirmed by overnight courier. All
notices shall be addressed to the party and address set forth at the end of this
Agreement, unless and until a party provides written notice of a new address for
receipt of notice. All notices shall be deemed received when (i) received; or
(ii) when delivery is first attempted by the carrier at the address of record,
whichever comes first. A copy of all notices to Etak shall also be sent to Etak
Contract Administration

     11.7 Severability.  If any provision of this Agreement or the application
          ------------
thereof to any party or circumstance shall to any extent be invalid or
unenforceable in any jurisdiction, that provision shall be severed from this
Agreement as to such jurisdiction (but, to the extent permit by law, not
elsewhere), and shall not affect the remainder hereof.

     11.8 No Waiver. No waiver of any obligation or right of either party shall
          ---------
be effective unless in writing, executed by the party against whom it is being
enforced. Any such waiver shall not preclude a party from exercising any other
right or later exercising the same right.

                                       12
<PAGE>

    11.9  Attorney Fees.  If either party defaults in the performance of its
          -------------
material obligations under this Agreement, such party shall pay to the other
party all reasonable costs and expenses incurred by such other party in
enforcing its rights under this Agreement, including without limitation, costs
and attorneys' fees.

    11.10 Assignment.  This Agreement shall inure to the benefit of and shall be
          ----------
binding upon the parties hereto and their respective successors, legal
representatives and permitted assigns, except that Lucent shall not assign or
transfer this Agreement or any part hereof without Etak's prior written consent,
which consent shall not be unreasonably withheld.  This restriction on
assignments or transfers shall apply to assignments or transfers by operation of
law, as well as by contract, merger or consolidation.  Any attempted assignment
or transfer in derogation of this prohibition is void.

    11.11 Force Majeure.  Neither party shall be liable for non-performance or
          -------------
delays in performance hereunder if caused by factors beyond its reasonable
control; provided, however, that Lucent shall be liable regardless of the
circumstances if Lucent is overdue by more than two (2) weeks in making payments
to Etak.

    11.12 Compliance with Laws.  Lucent acknowledges and understands that the
          --------------------
Products may be subject to restrictions on exportation and re-exportation
pursuant to the United States Export Administration Regulations, 15 CFR Parts
368-399.  Prior to export of any Product, Lucent will be familiar with the
requirements of the Export Administration Regulations and will comply strictly
with those requirements in all transactions involving any Products supplied by
Etak hereunder.  Lucent shall comply with all applicable laws and regulations,
and maintain all required licenses and permits.

    11.13 Government Right.  If any Product is used in any fashion, directly or
          ----------------
indirectly, in connection with foreign or domestic government contracting or
subcontracting, including without limitation, Lucent's performance of any
government contracts or subcontracts, then Lucent shall ensure that the
government entity receives nothing more than limited license rights to use the
Products pursuant to a sublicense agreement equivalent to that allowed under
section 2.4 and Exhibit B of this Agreement.  Lucent shall inform any government
entity or prime contractor with which it is contracting exactly how it intends
to use the Products in connection with its government contracts, that such
Products are proprietary to Etak and that Licensee has no right to grant to the
government entity or prime contractor any rights in the Products.  The software
is a "commercial item," as that term is defined at 48 C.F.R. 2.101 (Oct. 1995)
consisting of "commercial computer software" and "commercial computer
documentation," as such terms are used in 48 C.F.R. 12.212 (Sept. 1995).
Consistent with 48 C.F.R. 12.212 and 48 C.F.R. 227.7202-1 through 227.7202-4
(June 1995), all U.S. Governmental End Users acquire the software with only
those license rights set forth herein.  For purpose of any public disclosure
provision under any federal, state or local law, it is agreed that these
Products are trade secret and proprietary commercial products and not subject to
disclosure.  The Products are copyright (c) 1984-1996 by Etak, Inc. UNPUBLISHED.
ALL RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF THE UNITED STATES.

    11.14 No Joint Relationship. Lucent and Etak are independent contractors and
          ---------------------
neither has nor shall have any power, nor will either represent that either has
any power to bind the other party, or to assume or create any obligation or
responsibility, express or implied, on behalf of the other party or in the other
party's name. This Agreement shall not be construed as constituting Lucent and
Etak as employees, agents, partners, joint venturers, franchisors or
franchisees, to create any other form of legal association or arrangement which
might impose liability upon Etak or Lucent for any act or failure to act of the
other.

                                       13
<PAGE>

IN WITNESS WHEREOF, the parties hereto have executed and entered into this
Agreement as of the date indicated below on which it is countersigned by an
authorized officer of Etak after having been signed by Lucent.

<TABLE>
<S>                                        <C>
LUCENT TECHNOLOGIES INC.                   ETAK, INC.
A Delaware corporation                     a California corporation

600 Mountain Avenue                        1430 O'Brien Drive
Room 2A-536                                Menlo Park, CA  94025
Murray Hill, NJ  07974                     (415) 328-3825
(908) 582-5590

By: /s/ Stephen J. Socolof               By: /s/ Steven T. Dodds
   ------------------------------------     -----------------------------------
Name: Stephen J. Socolof                 Name: Steven T. Dodds
      ---------------------------------        --------------------------------
Title: Strategy & Business Development   Title: VP of Product Marketing & Sales
      ---------------------------------        --------------------------------
Date:  11-21-96                          Date:  November 25, 1996
      ---------------------------------        --------------------------------
</TABLE>

                                       14
<PAGE>

  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

                                   EXHIBIT A

A.   LICENSED PRODUCTS:
     -----------------

Upon final execution of this Agreement by the parties, Etak agrees to deliver to
Lucent the following Licensed Products at no charge:

[ ]  RELEASED
     *Software
       -  MapDraw Library
       -  MapRetrieve Library
       -  Etak GeoCode Library
       -  GeoRetrieve Library
       -  GeoCoder Workstation for Windows (qty. 3)
     *Data
       -  US Database/MapAccess Format
       -  EtakMap USA
       -  Business Listings in Etak standard released format

[ ]  UNRELEASED
     *Software
       -  [**]
       -  [**]
       -  [**]
       -  [**]
       -  [**]
     *Data
       -  [**] (as release during the first 18 months
          of the term of this Agreement)
       -  [**] Format

Etak agrees to provide each calendar quarter those updates to the above released
items that are generally released by Etak.

B.   FEES AND ROYALTIES:
     ------------------

(1)  Maps On Us WWW Site

     Lucent shall pay Etak the greater of (a) or (b) below in this section B.(1)

     (a) Lucent shall pay to Etak in each year that this Agreement is in effect,
a minimum annual guaranteed royalty of [**], payable in installments in the
following manner: [**] shall be paid within thirty (30) days of the commencement
of each annual period, then [**] shall be paid three months after such
commencement. The minimum annual guaranteed royalty shall be payable regardless
of the actual Gross Revenues of Maps On US. For purposes of royalty calculation,
the first annual period shall commence on the earlier of (i) the date that
Lucent first offers to any Lucent customer one or more of the services described
in this Agreement, or (ii) December 15, 1996.

                                       15
<PAGE>

  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

     (b)  Maps on Us WW Site Royalty Rate (Percent of Maps On Us Gross Revenues)

<TABLE>
<S>                                                            <C>          <C>
Level 1 Etak Map Premium Databases with available one ways     [**]
In year one of this Agreement:                                 [**]
Level 2 Above including Imputed Turn Restrictions and                       [**]
 Highway Netfiles
Level 3 Above including full Turn By Turn attributes                        [**]
After year one of this Agreement:
</TABLE>

     The percentage Royalty Rate shall be based on a weighted formula,
calculated as follows:

     Etak will report at the beginning of each calendar quarter the percentage
of the Untied States population that is covered by Etak Level 2 databases and
that has been shipped to Lucent over the term of this Agreement (EL2), and the
percentage of the United States population that is covered by Etak Level 3
databases and that has been shipped to Lucent over the term of this Agreement
(EL3).

     Divide [**]

     Divide [**]

     Multiply [**]

     Multiply [**]

     Divide [**] = the percentage Royalty Base.

Example:  If Etak Level 2 databases cover [**] of the population, while Etak
Level 3 databases cover [**] of the population, the formula would operate as
follows:

     [**] divided by [**]

     [**] divided by [**]

     Multiply [**] by [**]

     Multiply [**] by [**]

     Add [**] and [**]

Through payment of the [**] minimum annual guaranteed royalty set forth above in
B(1)(a), Lucent will have in effect prepaid royalties for that year up to [**]
for the Maps On Us WWW Site. Thus, Lucent shall not be required to actually pay
the royalty amounts set forth above in this section B(1)(b) until the accrued
royalties owed Etak for that year exceed [**], at which point Lucent shall
commence paying to Etak the above royalties.

After Lucent has paid to Etak royalties equal to [**] (including the minimal
annual guaranteed royalty paid by Lucent) in any given annual period that this
Agreement is in effect, the Royalty Rate for the remainder of that same annual
period as set forth above in this

                                       16
<PAGE>

  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

subsection B(1)(b) of this Exhibit A shall decrease to [**] of the percentages
set forth above for Level 1, Level 2, and Level 3. However, at the start of the
next annual period the Royalty Rate shall increase to the figures set for Level
1, Level 2, and Level 3.

Optional Additional Fees (applicable if Etak provides the following updates to
Lucent)
Updates to Business Listings              [**] per update
     Etak's goal is to update Business Listings once per quarter.

     If Lucent is paying Etak the minimum annual license fees and royalties due
under this section 1, then Lucent is permitted to offer the following additional
two classes of services:

(2)  "Maps On Us" Internet Service
     -----------------------------

     Lucent shall pay Etak the greater of (a) or (b) below in this section B.(2)

     (a)  Lucent shall pay to Etak in each year that this Agreement is in
effect, a minimum annual guaranteed royalty of [**] per Lucent Customer without
Business Listings, and [**] per Lucent Customer with Business Listings, payable
within thirty (30) days of the commencement of each annual period. The minimum
annual guaranteed royalty shall be payable regardless of the actual Gross
Revenues of Lucent.

     (b)  Royalty Rate (Percent of Maps On Us Gross Revenues)

<TABLE>
<S>                                                            <C>
Level 1 EtakMap Premium databases with available one ways             [**]
In year one of this Agreement:
Level 2 Above including Imputed Turn Restrictions and                 [**]
 Highway Netfiles
Level 3 Above including full Turn By Turn attributes                  [**]
After year one of this Agreement:
</TABLE>

     The percentage Royalty Rate shall be based on a weighted formula,
calculated as follows:

     Etak will report at the beginning of each calendar quarter the percentage
of the United States population that is covered by Etak Level 2 databases and
that has been shipped to Lucent over the term of this Agreement (EL2), and the
percentage of the United States population that is covered by Etak Level 3
databases and that has been shipped to Lucent over the term of this Agreement
(EL3).

     Divide [**]

     Divide [**]

     Multiply [**]

     Multiply [**]

     Add [**] = the percentage Royalty Rate.

                                       17
<PAGE>

  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

Through payment of the [**], as the case may be, per Customer minimum annual
guaranteed royalty set forth above in B(2)(a), Lucent will have in effect
prepaid royalties for that year up to [**], as the case may be, per Customer for
the Maps On Us Internet Service. Thus, Lucent shall not be required to actually
pay the royalty amounts set forth in this section B(2)(b) until the accrued
royalties owed Etak with respect to that Customer for that year exceed [**], as
the case may be, at which point Lucent shall commence paying to Etak the above
royalties for that Customer.

There are no additional discounts which apply to the Maps On Us Internet Service
royalty calculation.

(3)  "Maps On Us" Intranet Service

     (a)  Lucent shall pay to Etak in each year that this Agreement is in
effect, a minimum annual guaranteed royalty of [**] per Lucent Customer without
Business Listings, and [**] per Lucent Customer with Business Listings, payable
within thirty (30) days of the commencement of each annual period. The minimum
annual guaranteed royalty shall be payable regardless of the actual Gross
Geographic Service Revenues of Lucent.

     (b)  Lucent shall pay to Etak the following royalty per "hit", based on the
number of hits per month and the Level of service provided.

<TABLE>
<CAPTION>
Number of Hits Per Month
<S>      <C>                  <C>         <C>
         less than 25k         25-100k     greater than 100k
Level 1  [**]                     [**]     [**]
</TABLE>

     In year one of this Agreement:

<TABLE>
<S>                                     <C>         <C>         <C>
Level 2                                 [**]        [**]        [**]
Level 3                                 [**]        [**]        [**]
</TABLE>

     After year one of this Agreement:

     The per hit Royalty shall be based on a weighted formula, calculated as
follows:

     Etak will report at the beginning of each calendar quarter the percentage
of the United States population that is covered by Etak Level 2 databases and
that has been shipped to Lucent over the term of this Agreement (EL2), and the
percentage of the United States population that is covered by Etak Level 3
databases and that has been shipped to Lucent over the term of this Agreement
(EL3).

     Divide [**]

     Divide [**]

     Multiply [**] from the table below = [**]

     Multiply [**] from the table below = [**]

                                       18
<PAGE>

  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

<TABLE>
<CAPTION>

     Number of Hits Per Month
<S>                         <C>                 <C>         <C>
                            less than 25k        25-100k     greater than 100k
                            FACTOR (f2 or f3)
Level 2                     [**]                    [**]     [**]
Level 3                     [**]                    [**]     [**]
</TABLE>

     Add [**] = the percentage Royalty Rate.

Levels of Service are defined as follows:

Level 1 EtakMap Premium Databases with available one ways
Level 2 Above including Imputed Turn Restrictions and Highways Netfiles
Level 3 Above including full Turn by Turn attributes

For purposes of this section B.3. of this Exhibit A, a "hit" means each access
to a Map Image by any End User or Customer.

Through payment of the [**], as the case may be, per Customer minimum annual
guaranteed royalty set forth above in B(3)(a), Lucent will have in effect
prepaid royalties for that year up to [**], as the case may be, per Customer for
the Maps On Us Intranet Service. Thus, Lucent shall not be required to actually
pay the royalty amounts set forth above in this section B(3)(b) until the
accrued royalties owed Etak with respect to that Customer for that year exceed
[**], as the case may be, at which point Lucent shall commence paying to Etak
the above royalties for that Customer.

                                      ---

For purposes of this Exhibit A, sections B.1. and B.2., "Gross Revenues" shall
include any consideration in any form received by Lucent or any affiliate of
Lucent with respect to any Web Site that includes or uses any Etak Licensed
Products or any portion thereof in any form.

For purposes of this Exhibit A, section B.3., "Gross Geographic Services
Revenues" shall include any consideration in any form received by Lucent or any
affiliate of Lucent with respect to the Geographic Services portion of any Web
Site that includes or uses any Etak Licensed Product or any portion thereof in
any form.

Under this Exhibit A, the Royalty shall both be accrued and paid on a monthly
basis at the same time that the report is due in accordance with section 8.2 of
the Agreement.

                                       19
<PAGE>

                                   EXHIBIT B

                           END USER INTERNET LICENSE
            IMPORTANT-READ CAREFULLY BEFORE ACCESSING THIS WEB SITE.
            --------------------------------------------------------
             BY ACCESSING THIS WEB SITE YOU ACCEPT THIS AGREEMENT.
             -----------------------------------------------------

THIS IS A LEGAL AGREEMENT BETWEEN YOU, THE END USER, AND LUCENT.  BY ACCESSING
THIS WEB SITE, YOU ARE AGREEING TO BE BOUND BY THE TERMS OF THIS AGREEMENT.  IF
YOU DO NOT AGREE WITH THESE TERMS, DO NOT ACCESS THIS WEB SITE.

1.   GRANT OF LICENSE. Lucent is an authorized sublicensor of products owned and
     ----------------
created by Lucent's licensor. Lucent grants you a non-transferable, non-
exclusive license to use the map-images contained on this web site (the
"Products"), solely for internal use by your business or for your own personal
use, only with one central processing unit at any one time. You may not copy,
reverse engineer, translate, port, modify or make derivative works of the
Products. You may not rent, disclose, publish, sell, assign, lease, sublicense,
market, or transfer the Products or use them in any manner not expressly
authorized by this Agreement. You shall not derive or attempt to derive the
source code, source file or structure of all or any portion of the Products by
reverse engineering, disassembly, decompilation or other means. You shall not
use the Products to operate a service bureau or for any other uses involving the
processing of data of other persons or entities. You do not receive any, and
Lucent's licensor retains all, ownership rights in the Products. The Products
are copyrighted and may not be copied, even if modified or merged with other
Products. You shall not alter or remove any copyright notice or proprietary
legend contained in or on the Products.

2.   LIMITED WARRANTY AND LIABILITY.  The Products are provided to you on an "AS
     ------------------------------
IS" and "WITH ALL FAULTS" basis.  You assume the entire risk of loss in using
the Products.  The Products are complex and may contain some nonconformities,
defects or errors.  Lucent does not warrant that the Products will meet your
needs or expectations, that operations of the Products will be error free or
uninterrupted, or that all nonconformities can or will be corrected.  Routes and
road conditions may change and may not be accurately reflected in all cases.
Please pay attention at all times to road conditions, routes, and street signs
and other posted directional information.  This Limited Warranty is non-
transferable.

THE EXPRESS WARRANTY IN THIS SECTION 2 IS A LIMITED WARRANTY AND IT IS THE ONLY
WARRANTY MADE BY LUCENT.  LUCENT MAKES AND USER RECEIVES NO OTHER WARRANTY,
WHETHER EXPRESS OR IMPLIED, AND ALL WARRANTIES OF MERCHANTIBILITY, TITLE, AND
FITNESS FOR ANY PARTICULAR PURPOSE ARE EXPRESSLY EXCLUDED.  THE STATED EXPRESS
WARRANTY IS THE EXCLUSIVE REMEDY FOR DAMAGES AND IS IN LIEU OF ALL LIABILITIES
OR OBLIGATIONS OF LUCENT.

IN NO EVENT SHALL LUCENT BE LIABLE FOR ANY DAMAGES, CLAIM OR LOSS INCURRED BY
USER (INCLUDING WITHOUT LIMITATION COMPENSATORY, INCIDENTAL, INDIRECT, SPECIAL,
CONSEQUENTIAL OR EXEMPLARY DAMAGES, LOST PROFITS, LOST SALES OR BUSINESS,
EXPENDITURES,

                                       20
<PAGE>

INVESTMENTS, OR COMMITMENTS IN CONNECTION WITH ANY BUSINESS, LOSS OF ANY
GOODWILL, OR DAMAGES RESULTING FROM LOST DATA OR INABILITY TO USE DATA)
IRRESPECTIVE OF WHETHER LUCENT HAS BEEN INFORMED OF, KNEW OF, OR SHOULD HAVE
KNOWN OF THE LIKELIHOOD OF SUCH DAMAGES. THIS LIMITATION APPLIES TO ALL CAUSES
OF ACTION IN THE AGGREGATE INCLUDING WITHOUT LIMITATION BREACH OF CONTRACT,
BREACH OF WARRANTY, NEGLIGENCE, STRICT LIABILITY, MISREPRESENTATION, AND OTHER
TORTS. IF LUCENT'S LIMITED WARRANTY OR LIMITATION OF LIABILITY SET FORTH IN THIS
AGREEMENT SHALL FOR ANY REASON WHATSOEVER BE HELD UNENFORCEABLE OR INAPPLICABLE,
USER AGREES THAT LUCENT'S LIABILITY SHALL NOT EXCEED $100.00. SOME STATES DO NOT
ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES OR THE
LIMITATION OF DURATION OF AN IMPLIED WARRANTY, SO THE LIMITATION OR EXCLUSION
HEREIN MAY NOT APPLY TO YOU. THIS WARRANTY SHALL NOT BE APPLICABLE TO THE EXTENT
THAT ANY PROVISION OF THIS WARRANTY IS PROHIBITED BY ANY FEDERAL, STATE OR LOCAL
LAW WHICH CANNOT BE PREEMPTED. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS,
AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM STATE TO STATE.

3.   MISCELLANEOUS.  This is the exclusive Agreement between Lucent and you
     -------------
regarding its subject matter.  You may not assign any part of this Agreement
without Lucent's prior written consent.  This Agreement shall be governed by the
internal laws of California.  You shall pay any taxes on the Products or
transactions, except for those based on Lucent's annual net income.  If any
provision of this Agreement is declared invalid or unenforceable, the remaining
provisions of this Agreement shall remain in effect.  Any notice under this
Agreement shall be delivered by U.S. certified mail, return receipt requested,
or by overnight courier to Lucent at the address below.  Lucent's licensor shall
be a third party beneficiary of Lucent's rights under this Agreement, but is not
a party hereto and shall have no obligation hereunder.

                          COMMERCIAL COMPUTER SOFTWARE

The software is a "commercial item," as that term is defined at 48 C.F.R. 2.101
(Oct. 1995) consisting of "commercial computer software" and "commercial
computer documentation," as such terms are used in 48 C.F.R. 12.212 (Sept.
1995).  Consistent with 48 C.F.R. 12.212 and 48 C.F.R. 227.7202-1 through
227.7202-4 (June 1995), all U.S. Governmental End Users acquire the software
with only those license rights set forth herein.  For purpose of any public
disclosure provision under any federal, state or local law, it is agreed that
these Products are trade secret and proprietary commercial products and not
subject to disclosure.  The Products are copyright (C) 1984-1996 by Etak, Inc.
UNPUBLISHED.  ALL RIGHTS RESERVED UNDER THE COPYRIGHT LAWS OF THE UNITED STATES.

                                       21
<PAGE>

                                   EXHIBIT C
            STANDARD LUCENT EMPLOYEE INTELLECTUAL PROPERTY AGREEMENT

                                       22
<PAGE>

  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

March 21, 1997

Lucent Technologies, Inc.
Room 2C-220
600 Mountain Ave
Murray Hill, NJ  07974

     Re:  Amendment ("the Amendment") to Internet Provider Agreement NO. 96-007
between Lucent Technologies ("Provider") and Etak, Inc. ("Etak") dated November
25, 1996 (the "Agreement").

Provider hereby authorizes Etak to market, distribute and sublicense directly
and through Etak's channels of distribution the Maps On Us Service and Maps On
Us Products and other services that the parties agree to.  For those services
that are actually fulfilled by Provider (rather than by Etak or another party),
Etak shall pay to Provider the greater of:  (a) [**] the royalties that Etak
collects for said services, or (b) [**] of the then current Provider list price
for said services.

Notwithstanding the above, for current customers and prospective customers to
whom Etak has issued a quote as of the date of this Amendment, for which Etak
fulfills services using the Provider services, Etak shall pay Provider [**]
the royalties that Etak collects for said services.

The royalties payable by Provider to Etak as described in the Exhibit A of the
Agreement, shall be [**] for the subcontracted services (Maps On Us Service,
Maps On Us Products and other services that the parties agree to) that are
fulfilled by Provider under this Amendment.

This is a non-exclusive sub-contracting relationship.  Either party may
terminate this sub contracting relationship with 120 days written notice,
without affecting the Agreement.

For each such service set forth above, Provider shall deliver to Etak an
accurate monthly report showing the number of hits that the service for each
particular Etak End User has generated, and based on that report Etak shall make
payment to Provider of applicable royalties within thirty (30) days of Etak's
receipt of that report.

                                       23
<PAGE>

This Amendment shall be conterminous with Agreement.

<TABLE>
<CAPTION>
Accepted:
<S>                                     <C>
LUCENT TECHNOLOGIES INC.                ETAK, INC.
By: /s/ Narain Gehani                   By: /s/ Steven T. Dodds
   -------------------------------         -------------------------------
Name: Narain Gehani                     Name:  Steven T. Dodds
     -----------------------------         -------------------------------
Title: President, Maps On Us            Title:
        Lucent Technologies                   ----------------------------
      ----------------------------
Date:  3/22/97                          Date:  March 22, 1997
      ----------------------------            ----------------------------
</TABLE>

                                       24
<PAGE>

  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

                  AMENDMENT #2 TO INTERNET PROVIDER AGREEMENT

                BETWEEN ETAK, INC. AND LUCENT TECHNOLOGIES INC.

This Amendment #2 (the "Amendment #2") to the Internet Provider Agreement
between Etak, Inc. ("Etak") and Lucent Technologies Inc. ("Provider") entered
into on November 22, 1996 (the "Agreement") is entered into as of March 31,
1997.  Except as expressly amended herein, the Agreement shall remain in full
effect in accordance with its terms.

A.   Etak's Internet Geocoding Server
     --------------------------------

     Provider wishes to obtain, and Etak agrees to provide, Etak's Internet
Geocoding Server (Formerly called E-Map Locate) (the "Geocoder") in conjunction
with the Maps On Us Web Site, the Maps On Us Internet Service, and the Maps on
Us Intranet Service.  The purpose of this Amendment #2 is to set forth the
specific terms and conditions that apply to the Geocoder.

     1.   License for the Geocoder.  Etak hereby agrees to grant a license to
          ------------------------
Provider to use the Geocoder solely in conjunction with the Maps On Us Web Site,
the Maps On Us Internet Service, and the Maps On Us Intranet Service under the
license restrictions and pursuant to the terms and conditions set forth in the
Agreement.

     2.   Term.  The license for the Geocoder shall commence on the date
          ----
countersigned by an authorized officer of Etak after having been signed by
Lucent (the "Geocoder Commencement Date"), and shall continue in force for one
(1) year.  Thereafter, this Agreement shall be automatically renewed for one (1)
year terms unless either party terminates the license for use of the Geocoder
for the next year with ninety (90) days written notice prior to the end of the
anniversary date of this Amendment #2.

     3.   License Fee.  Provider agrees to pay to Etak a annual license free of
          -----------
[**] (the "Geocoder Annual License Fee"), payable within thirty (30) days of
execution of this Amendment #2. Subsequent Geocoder Annual License Fees shall be
due on the anniversary of the execution of this Amendment #2. The Geocoder
Annual License Fee for any year in which the term of the Agreement shall expire
prior to twelve (12) months from the Geocoder Commencement Date shall be
prorated accordingly.

IN WITNESS WHEREOF, the parties hereto have executed and entered into this
Amendment #2 as of March 31, 1997, provided it has been countersigned by an
authorized officer of Etak after having been signed by Provider.

                                       25
<PAGE>

<TABLE>
<S>                                <C>
LUCENT TECHNOLOGIES INC.           ETAK, INC.
a Delaware corporation             a California corporation

Room 2C-220                        1430 O'Brien Drive
600 Mountain Avenue                Menlo Park, California  94025
Murray Hill, NJ  07974             (415) 328-3825
(908) 582-4432

By: /s/ Narain H. Gehani           By: /s/ Stephen T. Dodds
   ----------------------------       --------------------------------------
Name:   Narain H. Gehani           Name:   Stephen T. Dodds
      -------------------------          -----------------------------------
Title:  President, Maps On Us      Title:  VP of Product Marketing and Sales
      -------------------------          -----------------------------------
                                   Date:   May 16, 1997
                                         -----------------------------------
</TABLE>

                                       26
<PAGE>

  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

               AMENDMENT #3 TO ETAK INTERNET PROVIDER AGREEMENT

                                  NO IP-96-007

This is the third Amendment ("Amendment #3") to the Agreement (the "Agreement")
between Lucent Technologies Inc. ("Provider") and Etak, Inc. ("Etak"),
(collectively, the "parties") entered into as of November 25, 1996.

WHEREAS the parties have entered into the Agreement for the licensing of Etak
software and data, and

WHEREAS the parties now wish to amend said Agreement,

Now, therefore, in consideration of the mutual undertakings and agreements
hereinafter set forth the parties agree to amend the Agreement as follows:

     1.   Beginning with the second annual period commencing on December 15,
          1997, through payment of the [**] minimum annual guaranteed royalty
          set forth in Exhibit A, Section B, sub-section 1(a), Provider will
          have, in effect, prepaid royalties for that year up to [**] for the
          Maps On Us WWW site and the Maps on Us Internet Service. Thus, except
          for the revised minimum annual guaranteed royalty of [**] per Lucent
          Customer with Business Listings as set forth in paragraph 2 below,
          Provider shall not be required to actually pay the royalty amounts set
          forth in Section B(1)(b) or Section B(2)(b) until the accrued
          royalties owed Etak for that year exceed [**], at which point Provider
          shall commence paying to Etak the applicable royalties.

     2.   Beginning on June 1, 1997, the minimum annual guaranteed royalties set
          forth in Exhibit A, Section B, sub-section 2(a) shall be [**] for
          Lucent Customers without Business Listings; Lucent shall pay to Etak
          in each year that this Agreement is in effect, a minimum annual
          guaranteed royalty of [**] per Lucent Customer with Business Listings,
          payable within thirty (30) days of the commencement period. This
          minimum annual guaranteed royalty shall be payable regardless of the
          actual Gross Revenues of Lucent and shall not be applied to the
          minimum annual guaranteed royalty set forth in Exhibit A, Section B,
          sub-section 1(a) of the Agreement.

          Through payment of the minimum annual guaranteed royalty of [**] per
          Lucent Customer with Business Listings, Lucent will have in effect
          prepaid royalties for that year up to [**] per Customer with Business
          Listings for the Maps On Us Internet Service. Thus, Lucent shall not
          be required to actually pay the royalty amounts set forth above in
          this section B(2)(b) until the accrued royalties owed Etak with
          respect to that Customer for that year exceed [**], at which point
          Lucent shall commence paying to Etak the above royalties for that
          Customer.

     3.   Lucent shall report all royalties due Etak per Section 8 and Exhibit
          A, Section B as contracted.  Lucent shall pay all royalties due Etak
          per Section 8 and Exhibit A,

                                       27
<PAGE>

          Section B within thirty (30) days of collection of payment by Lucent
          or within sixty (60) days of report to Etak, whichever comes first.

Except as otherwise amended herein, all terms and conditions of the Agreement
shall remain in full force and effect.  In the event of conflict in terms, this
Amendment shall take precedence over the Agreement.

     THIS AMENDMENT SHALL BECOME EFFECTIVE UPON EXECUTION BY AN OFFICER OF ETAK.

<TABLE>
<CAPTION>
<S>                                  <C>
LUCENT TECHNOLOGIES INC.             ETAK, INC.
By: /s/ Stephen M. Clemente          By: /s/ Joseph W. Petrucci
    ------------------------------       -------------------------------------
Name:   Stephen M. Clemente          Name:   Joseph W. Petrucci
      ----------------------------         -----------------------------------
Title:  CEO Maps On Us               Title:  Vice President, Sales & Marketing
      ----------------------------         -----------------------------------
Date:   March 10, 1998               Date:   March 16, 1998
      ----------------------------         -----------------------------------
</TABLE>

                                       28
<PAGE>

  Confidential Materials omitted and filed separately with the Securities and
                             Exchange Commission.
                          Asterisks denote omissions.

               AMENDMENT #4 TO ETAK INTERNET PROVIDER AGREEMENT
                                 NO. IP-96-007

This is the fourth Amendment ("Amendment #4") to the Internet Provider Agreement
(the "Agreement") between Lucent Technologies Inc. ("Customer") and Etak, Inc.
("Etak"), (collectively, the "parties") entered into as of November 25, 1996.

WHEREAS, the parties have entered into the Agreement for the licensing of Etak
software and data, and

WHEREAS, the parties now wish to amend said Agreement,

Now, therefore, in consideration of the mutual undertakings and agreements
hereinafter set forth, the parties agree to amend the Agreement as follows:

Pursuant to Section 11.4 of the Agreement, Etak hereby provides Customer with
written notice that the Business Listings and all updates to the Business
Listings as set forth on Exhibit A, Section A of the Agreement shall be
discontinued on June 15, 1998. In consideration of the discontinuance of the
Business Listings as set forth in Exhibit A, Section A of the Agreement, Etak
agrees to reduce the minimum annual guaranteed royalty set forth in Exhibit A,
Section B of the Agreement by [**] for each month remaining the second year
(12/15/97-12/15/98) of the Agreement in which Customer is no longer using the
Business Listings as provided prior to June 15, 1998 and thereafter by [**] for
each such month remaining in the third year (12/15/98-12/15/99) of the Agreement
following: 1) written notification by Customer to Etak that Customer is no
longer using the Business Listings; 2) return to Etak of all Business Listings
and all Derivative Products that include Business Listings and 3) certification
by a duly authorized employee of Customer that all such materials have been
returned to Etak.

The parties agree to amend Article 11.4 Product Changes of the Agreement by
adding the following sentence at the end of the existing paragraph:  "Except
with respect to the Business Listings, the parties agree that Etak's right to
modify or discontinue any Licensed Product is applicable only to modifications
or discontinuances of the Licensed Products to Etak's customers as a whole due
to changes in the provision by Etak of such Licensed Products."

Except as otherwise amended herein, all terms and conditions of the Agreement
shall remain in full force and effect.  In the event of conflict in terms, this
Amendment shall take precedence over the Agreement.

<TABLE>
<S>                                         <C>
LUCENT TECHNOLOGIES INC.                    ETAK, INC.
a Delaware corporation                      a California corporation
600 Mountain Avenue                         1430 O'Brien Drive
Murray Hill, NJ  07974                      Menlo Park, CA  94025
908/582-5590                                650/328-3825

By: /s/ Stephen M. Clemente                 By: /s/ Joseph W. Petrucci
    ------------------------------              -----------------------------
Name:   Stephen M. Clemente                 Name:   Joseph W. Petrucci
      ----------------------------                ---------------------------
Title:  CEO Maps On Us                      Title:  VP Sales & Marketing B&P
      ----------------------------                ---------------------------
Date:   May 13, 1998                        Date:   May 13, 1998
      ----------------------------                ---------------------------
</TABLE>

                                       29
<PAGE>

                     AGREEMENT OF ASSIGNMENT AND ASSUMPTION

     WHEREAS, for good and sufficient consideration Lucent Technologies Inc., a
Delaware corporation ("Transferor"), has agreed in principle to assign and
                       ----------
transfer to Switchboard Incorporated, a Delaware corporation ("Transferee"), all
                                                               ----------
of Transferor's right, title, and interest in and to substantially all the
assets of its Maps on Us business (the "Assigned Assets"), including rights and
                                        ---------------
privileges under certain contracts and agreements assigned to Transferee; and

     WHEREAS, in consideration of Transferor's assignment and transfer of the
Assigned Assets, Transferee has, among other things, agreed to assume certain
liabilities and obligations of Transferor from and after the Closing Date (as
defined below), including obligations and liabilities under certain contracts
and agreements assigned to Transferee; and

     WHEREAS, that certain Etak Internet Provider Agreement (Agreement No. IP-
96-007), as amended (the "Assigned Contract") between Transferor and Etak, Inc.
                          -----------------
(the "Obligee") is one of the contracts and agreements to be assigned to
Transferor, and therefore all rights and privileges of Transferor under the
Assigned Contract are to be assigned to Transferee and all liabilities, duties,
and obligations of Transferor under the Assigned Contract are to be assumed by
Transferee;

     NOW, THEREFORE, in consideration of the premises and the mutual agreements
and representations set forth below, the parties to this Agreement of Assignment
and Assumption (this "Agreement") hereby agree as follows:
                      ---------

     1.   Assignment of Assigned Contract at Closing Date.  Transferor and
          -----------------------------------------------
Transferee hereby notify Obligee of the assignment by Transferor to Transferee
of the Assigned Contract, effective as of consummation of the transfer of the
Assigned Assets, which consummation shall occur on such date as may be
determined by Transferor and Transferee (the "Closing Date").  The Closing Date
shall be deemed the effective date hereof.  Promptly after the Closing Date,
                                                               ------------
Transferor and Transferee will complete the Notice appended at the end hereof
and transmit executed counterparts hereof to Obligee.

     2.   Assumption of Obligations and Liabilities by Transferee.  Transferee
          -------------------------------------------------------
hereby assumes and agrees with Obligee and Transferor fully and faithfully to
discharge and perform all liabilities and obligations of Transferor under the
Assigned Contract from and after the Closing Date.

     3.   Approval of Assignment, Assumption and Guarantee.  Obligee hereby
          ------------------------------------------------
approves, consents to, and accepts (a) the assignment by Transferor to
Transferee, effective as of the Closing Date of the Assigned Contract and all
rights and privileges of Transferor thereunder, and (b) the assumption by
Transferee, effective as of the Closing Date, of all liabilities and obligations
of Transferor under the Assigned Contract.

     4.  Modifications to Agreement.  After the Closing Date, Obligee and
         --------------------------
Transferee hereby agrees to work together in good faith to reach mutually
acceptance terms regarding

                                       30
<PAGE>

modifications to the Agreement including the provision of ABI data and related
changes to financial terms, as are mutually agreed upon by Obligee and
Transferee.

     IN WITNESS WHEREOF, the undersigned have executed this in multiple
counterparts upon the dates indicated below by their duly authorized
representatives, effective for all purposes as of the Closing Date.

TRANSFEROR

Lucent Technologies
-------------------

By: /s/ Stephen M. Clemente
   -------------------------------
Name:   Stephen M. Clemente
      ----------------------------
Title:  CEO Maps On Us
      ----------------------------
Date:   May 13, 1998
      ----------------------------

OBLIGEE
-------

Etak, Inc.

By: /s/ Joseph W. Petrucci
   -------------------------------
Name:   Joseph W. Petrucci
      ----------------------------
Title:  VP Sales & Marketing B&P
      ----------------------------
Date:   May 13, 1998
      ----------------------------

TRANSFEREE
----------

Switchboard Incorporated

By: /s/ Dean Polnerow
   -------------------------------
Name:   Dean Polnerow
      ----------------------------
Title:  President
      ----------------------------
Date:   May 13, 1998
      ----------------------------

                                       31
<PAGE>

                                     NOTICE
                                     ------

The Closing Date, as defined in paragraph 1 of this Agreement, was May 13, 1998.

TRANSFEROR

Lucent Technologies
-------------------

By: /s/ Stephen M. Clemente
   -------------------------------
Name:   Stephen M. Clemente
      ----------------------------
Title:  CEO Maps On Us
      ----------------------------
Date:   May 13, 1998
      ----------------------------

TRANSFEREE
----------

Switchboard Incorporated

By: /s/ Dean Polnerow
   -------------------------------
Name:   Dean Polnerow
      ----------------------------
Title:  President
      ----------------------------
Date:   May 13, 1998
      ----------------------------

                                       32<PAGE>

                                                                   Exhibit 10.23
                                                                   -------------

                  CONVERTIBLE SECURED NOTE PURCHASE AGREEMENT
                  -------------------------------------------

     This Agreement dated as of August 29, 1997 is entered into by and among
Switchboard Incorporated, a Delaware corporation (the "Company"), and Banyan
Systems Incorporated, a Massachusetts corporation (the "Purchaser").

     In consideration of the mutual promises and covenants contained in this
Agreement, the parties hereto agree as follows:

     1.   Authorization and Sale of Note.
          ------------------------------

          1.1  Authorization.  The Company has duly authorized the sale and
               -------------
issuance, pursuant to the terms of this Agreement, of a Convertible Secured Note
in the maximum aggregate principal amount of $3,000,000.00, substantially in the
form attached hereto as Exhibit A (the "Note").  The Note shall be convertible,
                        ---------
pursuant to the terms thereof, into shares of the Company's Series C Convertible
Preferred Stock, $.01 par value per share (the "Series C Preferred"), having the
rights, restrictions, privileges and preferences set forth in the Company's
Certificate of Incorporation, as amended (the "Certificate of Incorporation"),
and the Certificate of Amendment attached hereto as Exhibit B (the "Certificate
                                                    ---------
of Amendment").  The Company has authorized and reserved, and will at all times
the Note is outstanding keep authorized and reserved, a sufficient number of
shares of its Series C Preferred to satisfy the conversion rights of the holder
of the Note and of its common stock to satisfy the conversion rights of holders
of shares of Series C Preferred set forth in Sections 4 and 5 of the Certificate
of Incorporation.  As soon as practicable following the Closing (as defined
below), the Company will file the Certificate of Amendment with the Secretary of
State of the State of Delaware.  The shares of Series C Preferred into which the
Note is convertible are referred to as the "Shares."

          1.2  Initial Sale of Note.  Subject to the terms and conditions of
               --------------------
this Agreement, at the Initial Closing (as defined below) the Company will sell
and issue to the Purchaser, and the Purchaser will purchase, the Note.  The
initial principal amount of the Note shall be evidenced by a notation on
Schedule I of the Note.  The parties agree and acknowledge that any increases or
decreases in the principal amount of the Note outstanding at any time made in
accordance with Section 1.3 shall be evidenced by a further notation on Schedule
I of the Note (such notation to be made by the Purchaser, who will provide a
copy of the revised Schedule I to the Company).  Any notations made to Schedule
I by the Purchaser shall be binding and final absent manifest error and unless
disputed by the Company within seven (7) business days of receipt by the Company
of such notice from the Purchaser.  The parties further agree and acknowledge
that the form of the Note (specifically the stated maximum aggregate principal
amount of $3,000,000 and the use of Schedule I) is merely intended to facilitate
subsequent increases or decreases, if any, in principal amount in accordance
with Section 1.3 and that the Purchaser shall not, under any circumstances, be
obligated to purchase any additional principal amount beyond the initial
principal amount annotated on Schedule I of the Note.

          1.3  Subsequent Increases and Decreases in Principal Amount.
               ------------------------------------------------------
<PAGE>

               (a)  Investment at the Request of the Company. The Company and
                    ----------------------------------------
the Purchaser further agree that if within 32 months of the date of this
Agreement, in the discretion of the Board of Directors of the Company, the
Company shall desire additional financing, the Company shall deliver to the
Purchaser a written notice requesting that the principal amount of the Note be
increased by the amount stated in the notice in exchange for a payment from the
Purchaser to the Company of such amount. The Purchaser shall have the right (but
not the obligation), for a period of 15 days following delivery of such notice,
to so increase the principal amount of the Note. As a condition precedent to,
and simultaneously with, the increase in the principal amount of the Note, (x)
at the request of the Purchaser, the Company shall deliver to the Purchaser (A)
the most recent available Balance Sheet (as defined in Section 3.9 below), (B)
Exhibit C hereto, updated through the date of the closing of such increase, and
---------
(C) a certificate, dated as of the date of the closing of such increase,
certifying that the representations and warranties of the Company contained in
Section 3 of this Agreement are true and correct in all material respects as of
such date, (y) at the request of the Company, the Purchaser shall deliver to the
Company a certificate, dated as of the date of the increase in the principal
amount of the Note, certifying that the representations and warranties contained
in Section 4 of this Agreement with respect to the Purchaser are true and
correct as of such date and (z) Schedule I to the Note shall be updated to
reflect such increase.

               (b)  Investment at the Request of the Purchaser. The Company
                    ------------------------------------------
hereby grants to the Purchaser an option to increase in the principal amount of
the Note up to the maximum aggregate principal amount as set forth in Section
1.1 (the "Option") by delivery of a written notice to the Company (the "Exercise
Notice"). The Purchaser shall have the right to exercise the Option (which shall
be deemed to occur upon delivery of the Exercise Notice for purposes of this
sentence) at any time and from time to time prior to the expiration of the 32-
month period beginning on the date of this Agreement.

               (c)  Redemption at the Request of the Company. The Note may, at
                    ----------------------------------------
the option of the Company, be called for redemption, in whole or in part at any
time, at 100% of the principal amount so redeemed, plus accrued and unpaid
interest on such redeemed principal amount to the date fixed for redemption. The
Company shall give at least thirty (30) days prior written notice of redemption
to the Purchaser at its address below, and the notice of redemption shall
specify the date and place designated for redemption. On or after the redemption
date fixed in the notice of redemption, no further interest shall accrue on the
principal amount so redeemed, and the Note (to the extent so redeemed) shall
cease to be convertible as set forth in Section 2 of the Note, provided that the
Note shall remain convertible as set forth in Section 2 of the Note from the
date of notice of redemption until the redemption date fixed in such notice.
Payment of the redemption price shall be made to the Purchaser of this Note upon
presentation and surrender of this Note accompanied by a duly executed
instrument of transfer in blank, at the principal executive office of the
Company. In the event of a partial redemption, this Note shall be presented to
the Company for endorsement of the amount of payment and date paid as a
condition precedent to such payment.

     2.   The Closing.  The initial closing (the "Initial Closing") of the
          -----------
initial sale and purchase of the Note under this Agreement shall take place at
the offices of Hale and Dorr LLP, 60 State Street, Boston, MA 02109
simultaneously with the execution and delivery of this Agreement, or at such
other time, date and place as are mutually agreeable to the Company and

                                      -2-
<PAGE>

the Purchaser. At the Initial Closing, the Company shall deliver to the
Purchaser the Note pursuant to Section 1.2 above. Subsequent closings (each a
"Subsequent Closing"), if any, of the sale and purchase of the Note under
Section 1.3 may take place from time to time at such time and place agreed to by
the parties no later than June 29, 2000. The Initial Closing and the Subsequent
Closings, if any, shall hereinafter be referred to individually as a "Closing"
and collectively as the "Closings." The date of each Closing is hereinafter
referred to as a "Closing Date." If at any Closing any of the conditions
specified in Section 5 shall not have been fulfilled, the Purchaser shall, at
its election, be relieved of all of its obligations under this Agreement without
thereby waiving any other rights it may have by reason of such failure or such
non-fulfillment. If at any Closing any of the conditions specified in Section 6
shall not have been fulfilled, the Company shall, at its election, be relieved
of all of its obligations under this Agreement without thereby waiving any other
rights it may have by reason of such failure or such non-fulfillment.

     3.   Representations of the Company.  In order to induce the Purchaser to
          ------------------------------
enter into this Agreement and subject to and except as disclosed by the Company
in Exhibit C hereto, the Company hereby represents and warrants to the Purchaser
   ---------
as follows:

          3.1  Organization and Standing.  The Company is a corporation duly
               -------------------------
organized, validly existing and in good standing under the laws of the State of
Delaware and has full corporate power and authority to conduct its business as
presently conducted and as proposed to be conducted by it and to enter into and
perform this Agreement and the agreements set forth in Section 5.1 below
(collectively with the Note, the "Ancillary Agreements") and to carry out the
transactions contemplated by this Agreement and the Ancillary Agreements.  The
Company is duly qualified to do business as a foreign corporation and is in good
standing in the Commonwealth of Massachusetts and in every other jurisdiction in
which the failure to so qualify would have a material adverse effect on the
operations or financial condition of the Company.  The Company has furnished to
counsel to the Purchaser true and complete copies of its Certificate of
Incorporation and By-Laws, each as amended to date and presently in effect.  The
Company is not in violation of any term of its Certificate of Incorporation or
By-laws, or in violation of any term of any agreement, instrument, judgement,
decree, order, statute, rule or government regulation applicable to the Company
or to which the Company is a party, other than any violation that would not have
a material adverse effect on the Company.

          3.2  Capitalization.  The authorized capital stock of the Company
               --------------
(assuming the filing of the Certificate of Amendment with the Secretary of State
of the State of Delaware on the date hereof) consists of 25,000,000 shares of
common stock, $.01 par value per share (the "Common Stock"), of which 7,000,000
shares are issued and outstanding, and 4,500,000 shares of Preferred Stock, $.01
par value per share, 750,000 shares of which have been designated as Series A
Preferred Stock, $.01 par value per share (the "Series A Preferred"), 750,000 of
which shares are issued and outstanding, 1,500,000 shares of which have been
designated as Series B Preferred Stock, $.01 par value per share (the "Series B
Preferred"), none of which shares are issued or outstanding, and 2,250,000
shares of Series C Preferred, none of which are issued and outstanding.  All of
the issued and outstanding shares of Common Stock have been duly authorized and
validly issued and are fully paid and nonassessable.  Except as set forth in the
Series A Preferred Stock Purchase Agreement among the Company, America Online,
Inc., and Digital City, Inc. dated as of November 5, 1996 and the agreement and
warrants referenced

                                      -3-
<PAGE>

therein (collectively, the "Series A Agreements") or rights to which the
Purchaser is entitled as set forth in this Agreement and the Ancillary
Agreements, and except for issuances pursuant to the Company's 1996 Stock
Incentive Plan (as it may be amended from time to time), (i) no subscription,
warrant, option, convertible security or other right (contingent or otherwise)
to purchase or acquire any shares of capital stock of the Company is authorized
or outstanding, (ii) the Company has no agreement or obligation (contingent or
otherwise) to issue any subscription, warrant, option, convertible security or
other such right or to issue or distribute to holders of any shares of its
capital stock any evidences of indebtedness or assets of the Company, and (iii)
the Company has no agreement or obligation (contingent or otherwise) to
purchase, redeem or otherwise acquire any shares of its capital stock or any
interest therein or to pay any dividend or make any other distribution in
respect thereof. All of the issued and outstanding shares of capital stock of
the Company have been offered, issued and sold by the Company in compliance with
applicable Federal and state securities laws. There are no preemptive rights,
rights of first refusal, put or call rights or obligations or anti-dilution
rights with respect to the issuance, sale or redemption of the Company's capital
stock, other than as set forth in the Series A Agreement and rights to which the
Purchaser is entitled as set forth in this Agreement and the Ancillary
Agreements. Except as set forth in the Series A Agreements and other than the
rights granted to the Purchasers herein or in the Ancillary Agreements, there
are no rights to have the Company's capital stock registered for sale to the
public in connection with the laws of any jurisdiction or under the Securities
Act of 1933, as amended (the "Securities Act"), no agreements relating to the
voting of the Company's voting securities to which the Company is a party or, to
its knowledge, any other such agreements, and no restrictions on the transfer of
the Company's capital stock under any agreement to which the Company is a party
or, to its knowledge, any other such agreement.

          3.3  Subsidiaries, Etc.  The Company has no subsidiaries and does not
               -----------------
own or control, directly or indirectly, any shares of capital stock of any other
corporation or any interest in any partnership, joint venture or other non-
corporate business enterprise.

          3.4  Stockholder List.  Exhibit B summarizes the capital structure of
               ----------------   ---------
the Company as of the Closing Date.

          3.5  Issuance of Note.  The issuance, sale and delivery of the Note in
               ----------------
accordance with this Agreement, and the issuance and delivery of the Shares upon
conversion of the Note and the shares of Common Stock issuable upon conversion
of the Shares, have been duly authorized by all necessary corporate action on
the part of the Company, and all such shares have been duly reserved for
issuance.  The Shares when so issued, sold and delivered against payment
therefor in accordance with the provisions of the Note, and the shares of Common
Stock issuable upon conversion of the Shares, when issued upon such conversion,
will be duly and validly issued, fully paid and non-assessable.

          3.6  Authority for Agreement.  The execution, delivery and performance
               -----------------------
by the Company of this Agreement and the Ancillary Agreements, the issuance and
delivery of the Note, and the consummation by the Company of the transactions
contemplated hereby and thereby, have been duly authorized by all necessary
corporate action.  This Agreement and the Ancillary Agreements have been duly
executed and delivered by the Company and constitute valid and binding
obligations of the Company enforceable in accordance with their respective

                                      -4-
<PAGE>

terms, subject to (i) applicable bankruptcy, insolvency, reorganization,
moratorium, fraudulent conveyance or similar laws affecting the rights of
creditors generally, (ii) statutory or decisional law concerning recourse by
creditors to security in the absence of notice or hearing, and (iii) duties and
standards imposed on creditors and parties to contracts, including, without
limitation, requirements of good faith, reasonableness and fair dealing. The
execution of and performance of the transactions contemplated by this Agreement
and the Ancillary Agreements and compliance with their provisions by the Company
will not violate, conflict with or result in any breach of any of the terms,
conditions or provisions of, or constitute a default under, or accelerate any
obligation under, or give rise to any right of termination of, its Certificate
of Incorporation or By-Laws (each as amended to date) or any indenture, lease,
agreement, obligation or other instrument to which the Company is a party or by
which it or any of its properties is bound, or any decree, judgment, order,
statute, rule or regulation applicable to the Company except insofar as such
violation, conflict or breach would not have a material adverse effect on the
Company.

          3.7  Governmental Consents.  No consent, approval, order or
               ---------------------
authorization of, or registration, qualification, designation, declaration or
filing with, any governmental authority is required on the part of the Company
in connection with the execution and delivery of this Agreement, the offer,
issuance, sale and delivery of the Note, or the other transactions to be
consummated at the Closing, as contemplated by this Agreement or the Ancillary
Agreements, except such as shall have been made or obtained prior to and shall
be effective on and as of the Closing, and except where the failure to make or
obtain such would not have a material adverse effect on the Company's operations
or financial condition.  Based on the representations made by the Purchaser in
Section 4 of this Agreement, the offer and sale of the Note and the Shares to
the Purchaser will be in compliance with applicable Federal and state securities
laws.

          3.8  Litigation.  There is no action, suit or proceeding, or
               ----------
governmental inquiry or investigation, pending, or, to the Company's knowledge,
any basis therefor or threat thereof, against the Company or affecting any of
its properties or assets or, to the Company's knowledge, against any officer or
director of the Company, which questions the validity or enforceability of this
Agreement or the agreements and transactions contemplated hereby or the right of
the Company to enter into this Agreement or the Ancillary Agreements, or which
would have a material adverse effect on the Company's operations or financial
condition, and, to the knowledge of the Company, no event has occurred and no
condition exists on the basis of which any such litigation, proceeding or
investigation might properly be instituted or commenced.

          3.9  Financial Statements.  The Company has furnished to the Purchaser
               --------------------
a complete and correct copy of the unaudited balance sheet of the Company (the
"Balance Sheet") as at June 30, 1997 (the "Balance Sheet Date") and the related
pro forma statements of operations and cash flow for the six (6) months then
ended, compiled by the Company (collectively, the "Financial Statements").  The
Financial Statements are complete and correct, are in accordance with the books
and records of the Company and present fairly the financial condition and
results of operations of the Company, as at the dates and for the periods
indicated, and have been prepared in accordance with generally accepted
accounting principles consistently applied, except that the Financial Statements
have been prepared for the internal use of management and may not be in
accordance with generally accepted accounting principles

                                      -5-
<PAGE>

because of the absence of footnotes normally contained therein and are subject
to normal year-end audit adjustments which in the aggregate will not be
material.

          3.10  Absence of Liabilities.  Except as disclosed in Exhibit C, the
                ----------------------                          ---------
Company did not have, at the Balance Sheet Date, any liabilities of any type
which in the aggregate exceeded $25,000, whether absolute or contingent, which
were not fully reflected on the Balance Sheet, and, since the Balance Sheet
Date, the Company has not incurred or otherwise become subject to any such
liabilities or obligations except in the ordinary course of business.

          3.11  Taxes.  The amount shown on the Balance Sheet as provision for
                -----
taxes is sufficient in all material respects for payment of all accrued and
unpaid Federal, state, county, local and foreign taxes (including penalties and
interest) for the period then ended and all prior periods.  The Company has
filed or has obtained presently effective extensions with respect to all
Federal, state, county, local and foreign tax returns which are required to be
filed by it, such returns are true and correct and all taxes required to be paid
by the Company have been timely paid except those taxes which will not have a
material adverse effect on the business or financial condition of the Company.
No income tax returns of the Company have been audited by any taxing authority,
and no controversy with respect to taxes of any type is pending or, to the best
of the Company's knowledge, threatened.  Neither the Company nor, to its
knowledge, any of its stockholders has ever filed (a) an election pursuant to
Section 1362 of the Internal Revenue Code of 1986, as amended (the "Code"), that
the Company be taxed as an S Corporation or (b) consent pursuant to Section
341(f) of the Code relating to collapsible corporations.  The Company has never
received notice of any audit or of any proposed deficiencies from any taxing
authority.  There are in effect no waivers of applicable statutes of limitations
with respect to any taxes owed by the Company for any year.  No taxing authority
is now asserting or, to the knowledge of the Company, threatening to assert
against the Company any deficiency or claim for additional taxes or interest
thereon or penalties in connection therewith.  The Company's net operating
losses for federal income tax purposes, as set forth in the Financial
Statements, are not subject to any limitations imposed by Section 382 of the
Code, and consummation of the transactions contemplated by this Agreement or by
any other agreement, understanding or commitment, contingent or otherwise, to
which the Company is a party or by which it is otherwise bound will not have the
effect of limiting the Company's ability to use such net operating losses in
full to offset such taxable income.

          3.12  Property and Assets.  The Company has good title to all of its
                -------------------
properties and assets, including all properties and assets reflected in the
Balance Sheet, except those disposed of since the date thereof in the ordinary
course of business or that will not have a material adverse effect on the
Company, and none of such properties or assets is subject to any mortgage,
pledge, lien, security interest, lease, charge or encumbrance that will have a
material adverse effect on the Company, other than those the material terms of
which are described in the Balance Sheet or in Exhibit C.
                                               ---------

          3.13  Intellectual Property.  Except as set forth on Exhibit C:
                ---------------------                          ---------

                (a)  The Company has exclusive ownership in all right, title and
interest to ("Owned Rights"), with the right to use, sell, license, dispose of,
and bring actions for infringement of, or has a valid license to use all
Intellectual Property Rights (as hereinafter

                                      -6-
<PAGE>

defined) used in the conduct of its business as presently conducted and as
proposed to be conducted (the "Company Rights"), which Owned Rights are
exclusive to the Company and which Company Rights are sufficient in all material
respects for the conduct of its business as presently conducted.

                (b)  The business of the Company as presently conducted and the
manufacture, marketing, licensing, use and servicing of any products of the
Company, do not violate any agreements which the Company has with any third
party, infringe any copyright or trade secrets of any third parties, or to the
best knowledge of the Company, infringe any patent, trademark, or any other
Intellectual Property Rights (other than copyrights and trade secrets) of any
third parties.

                (c)  No claim is pending or, to the best knowledge of the
Company, threatened against the Company nor has the Company received any notice
or other claim from any person asserting that any of the Company's present or
contemplated activities infringe or may infringe any Intellectual Property
Rights of such person, and the Company is not aware of any infringement by any
other person of any rights of the Company under any Intellectual Property
Rights.

                (d)  The Company is not aware that any employee is obligated
under any contract (including any license, covenant or commitment of any
nature), or subject to any judgment, decree or order of any court or
administrative agency, that would materially conflict or interfere with (i) the
performance of such employee's duties as an officer, employee or director of the
Company, (ii) the use of such employee's best efforts to promote the interests
of the Company or (iii) the Company's business as conducted or proposed to be
conducted.

                (e)  As used herein, the term "Intellectual Property Rights"
shall mean all intellectual property rights, including, without limitation, all
of the registered rights set forth on Exhibit C and all patents, patent
                                      ---------
applications, patent rights, trademarks, trademark applications, trade names,
service marks, service mark applications, copyrights, copyright applications,
computer programs and other computer software, inventions, designs, samples,
specifications, schematics, know-how, trade secrets, proprietary processes and
formulae, all sources and object code, algorithms, architecture, structure,
display screens, layouts, development tools, promotional materials, customer
lists, supplier and dealer lists and marketing research, and all documentation
and media constituting, describing or relating to the foregoing, including
without limitation, manuals, memoranda and records. Exhibit C contains a list
                                                    ---------
and brief description of all Intellectual Property Rights owned by or registered
in the name of the Company or of which the Company is the licensor or a licensee
of a material right or in which the Company has any material right and, in each
case, a brief description of the nature of the right.

          3.14  Insurance.  Except as set forth on Exhibit C, the Company
                ---------                          ---------
maintains valid policies of workers' compensation insurance and of insurance
with respect to its properties and business of the kinds and in the amounts not
less than is customarily obtained by corporations of established reputation
engaged in the same or similar business and similarly situated.  There is no
default under any such policy, nor, to the knowledge of the Company, has any
event occurred which with notice, lapse of time or both would constitute a
material default thereunder.

                                      -7-
<PAGE>

          3.15  Material Contracts and Obligations.  Except as set forth on
                ----------------------------------
Exhibit C hereto (with true and correct copies delivered to the Purchaser) and
---------
except for the Ancillary Agreements, the Company is not a party or subject to or
bound by:

                (a)  any contract, lease or agreement creating any obligation of
the Company to pay to any third party $10,000 or more with respect to any single
such contract or agreement, except for purchase orders entered into in the
ordinary course of business;

                (b)  any contract or agreement for the sale, license, lease or
disposition of products by the Company in excess of $10,000;

                (c)  any contract containing covenants directly or explicitly
limiting the freedom of the Company to compete in any line of business or with
any person or entity;

                (d)  any license agreement (as licensor or licensee) other than
licenses to off-the-shelf software;

                (e)  any contract or agreement or the purchase of any leasehold
improvements, equipment or fixed assets for a price in excess of $10,000;

                (f)  any indenture, mortgage, promissory note, loan agreement,
guaranty or other agreement or commitment for borrowing in excess of $10,000 or
any pledge or security arrangement;

                (g)  any material joint venture, partnership, manufacturing,
development or supply agreement;

                (h)  any employment contracts, or agreements with officers,
directors, employees or stockholders of the Company or persons or organizations
related to or affiliated with any such persons;

                (i)  any stock redemption or purchase agreements or other
agreements affecting or relating to the capital stock of the Company, including
without limitation any agreement relating to anti-dilution rights, registration
rights, voting arrangements, operating covenants or similar provisions;

                (j)  any pension, profit sharing, retirement or stock option
plans;

                (k)  any royalty, dividend or similar arrangement based on the
sales volume of the Company;

                (l)  any acquisition, merger or similar agreement; or

                (m)  any other contract not executed in the ordinary course of
business.

     All of such agreements and contracts are valid, binding and in full force
and effect, subject to (i) applicable bankruptcy, insolvency, reorganization,
moratorium, fraudulent conveyance or similar laws affecting the rights of
creditors generally, (ii) statutory or decisional

                                      -8-
<PAGE>

law concerning recourse by creditors to security in the absence of notice or
hearing, and (iii) duties and standards imposed on creditors and parties to
contracts, including, without limitation, requirements of good faith,
reasonableness and fair dealing. Neither the Company, nor, to the knowledge of
the Company, any other party is in material default under any of such agreements
or contracts (nor, to the knowledge of the Company, has any event occurred which
with notice, lapse of time or both would constitute a material default
thereunder), except to the extent that any such default would not have a
material adverse effect on the assets, liabilities, properties, business or
proposals of the Company, and the Company has not received notice of any alleged
default under any such contract or agreement.

          3.16  Compliance.  The Company has complied with all laws, regulations
                ----------
and orders applicable to its present and proposed business and has all permits
and licenses required thereby, except where the failure to so comply or obtain
would not have a material adverse effect on the Company's operations and
financial condition.

          3.17  Absence of Changes.  Since the Balance Sheet Date, there has
                ------------------
been no material adverse change in the condition, financial or otherwise, net
worth or results of operations of the Company, other than changes occurring in
the ordinary course of business which changes have not, individually or in the
aggregate, had a materially adverse effect on the business, prospects,
properties or condition, financial or otherwise, of the Company.

          3.18  Employees.  All current or former employees of the Company and
                ---------
each of the Company's consultants and independent contractors whose
responsibilities require access to confidential or proprietary information of
the Company have executed and delivered nondisclosure and assignment of
invention agreements with Purchaser, and all of such agreements are in full
force and effect with respect to such nondisclosure and assignment of invention
provisions.  To the knowledge of the Company, none of such employees,
consultants or contractors is in violation or breach of any agreement or
arrangement with former or present employers relating to proprietary information
or assignment of inventions.  None of the employees of the Company is
represented by any labor union, and, to the best of the Company's knowledge,
there is no labor strike or other labor trouble pending or threatened with
respect to the Company (including, without limitation, any organizational
drive).

          3.19  ERISA.  The Company does not have or otherwise contribute to or
                -----
participate in any employee benefit plan subject to the Employee Retirement
Income Security Act of 1974, other than a medical benefit plan with respect to
which the Company has made all required contributions and has complied with all
applicable laws, if any.

          3.20  Books and Records.  The minute books of the Company contain
                -----------------
complete and accurate records of all meetings and other corporate actions of its
stockholders and its Board of Directors and committees thereof.  The stock
ledger of the Company is complete and reflects all issuances, transfers,
repurchases and cancellations of shares of capital stock of the Company.

          3.21  Transactions with Affiliates.  Except as set forth on Exhibit C
                ----------------------------                          ---------
or contemplated by the Series A Agreements, there are no loans, licenses,
leases, guarantees, contracts, transactions, understandings or other
arrangements of any nature between the

                                      -9-
<PAGE>

Company and any officer, director or five percent (5%) stockholder of the
Company or any family member or affiliate of any of the foregoing persons.

          3.22  Disclosure.  The representations and warranties made or
                ----------
contained in this Agreement, the schedules and exhibits hereto and the
certificates and statements executed or delivered in connection herewith, do not
and shall not contain any untrue statement of a material fact and do not and
shall not omit to sate any fact required to be stated therein or necessary in
order to make such representations, warranties or other material not misleading
in light of the circumstances in which they were made or delivered.

     4.   Representations of the Purchaser.  The Purchaser represents and
          --------------------------------
warrants to the Company as follows:

          4.1   Investment. The Purchaser is acquiring the Note, the Shares into
                ----------
which the Note may be converted, and the shares of Common Stock into which the
Shares may be converted, for its own account for investment and not with a view
to, or for sale in connection with, any distribution thereof, nor with any
present intention of distributing or selling the same; and, except as
contemplated by this Agreement and the Exhibits hereto, the Purchaser has no
present or contemplated agreement, undertaking, arrangement, obligation,
indebtedness or commitment providing for the disposition thereof.

          4.2   Authority.  The Purchaser has full power and authority to enter
                ---------
into and to perform its obligations under this Agreement in accordance with
their terms.  The Purchaser has not been organized, reorganized or recapitalized
specifically for the purpose of investing in the Company.

          4.3   Experience.  The Purchaser has carefully reviewed the
                ----------
representations concerning the Company contained in this Agreement, and has made
detailed inquiry concerning the Company, its business and its personnel; the
officers of the Company have made available to the Purchaser any and all written
information which it has requested and have answered to the Purchaser's
satisfaction all inquiries made by the Purchaser; and the Purchaser has
sufficient knowledge and experience in investing in companies similar to the
Company so as to be able to evaluate the risks and merits of its investment in
the Company and is able financially to bear the risks thereof.

     5.   Conditions to the Obligation of the Purchaser.  At the Closing, the
          ---------------------------------------------
Company shall deliver or cause to be delivered to the Purchaser the agreements,
instruments and documents set forth below.  The Purchaser shall not be obligated
to proceed with the Closing unless all of the following conditions have been
fulfilled at or prior to the Closing:

          5.1   Other Agreements.
                ----------------

                (a)  The Amended and Restated Registration Rights Agreement
attached hereto as Exhibit D (the "Registration Rights Amendment") shall have
                   ---------
been executed and delivered by the Company.

                (b)  The Security Agreement attached hereto as Exhibit E (the
                                                               ---------
"Security Agreement") shall have been executed and delivered by the Company.

                                      -10-
<PAGE>

          5.2  Certificates and Documents.  If requested by the Purchaser, the
               --------------------------
Company shall have delivered to the Purchaser:

               (a)  The Certificate of Incorporation of the Company, as amended
and in effect as of the Closing Date (including the Certificate of Amendment),
certified by the Secretary of State of the State of Delaware;

               (b)  Certificates, as of the most recent practicable dates, as to
the corporate good standing of the Company issued by the Secretary of State of
the State of Delaware and the Secretary of the State of the Commonwealth of
Massachusetts;

               (c)  By-laws of the Company, certified by its Secretary or
Assistant Secretary as of the Closing Date;

               (d)  Resolutions of the Board of Directors of the Company,
authorizing and approving all matters in connection with this Agreement and the
transactions contemplated hereby, certified by the Secretary or Assistant
Secretary of the Company as of the Closing Date; and

               (e)  Certificate, as of the Closing Date, of an officer of the
Company certifying as to the truth and accuracy of the representations and
warranties of the Company.

          5.3  Other Matters.  All corporate and other proceedings in connection
               -------------
with the transactions contemplated by this Agreement and all documents and
instruments incident to such transactions shall be reasonably satisfactory in
substance and form to the Purchaser, and the Purchaser shall have received all
such counterpart originals or certified or other copies of such documents as it
may reasonably request.

     6.   Condition to the Obligation of the Company.  At the Closing, the
          ------------------------------------------
Purchaser shall deliver or cause to be delivered to the Company the agreements,
instruments and documents set forth below.  The Company shall not be obligated
to proceed with the Closing unless all of the following conditions have been
fulfilled at or prior to the Closing:

          6.1  Other Agreements.  The Registration Rights Amendment shall have
               ----------------
been executed and delivered by the Purchaser.

          6.2  Other Matters.  All corporate and other proceedings in connection
               -------------
with the transactions contemplated by this Agreement and all documents and
instruments incident to such transactions shall be reasonably satisfactory in
substance and form to the Company, and the Company shall have received all such
counterpart originals or certified or other copies of such documents as they may
reasonably request.

     7.   Covenants of the Company.
          ------------------------

          7.1  Financial Statements and Other Information.
               ------------------------------------------

               (a)  The Company shall deliver to the Purchaser:

                                      -11-
<PAGE>

                    (i)   within 90 days after the end of each fiscal year of
the Company, an audited balance sheet of the Company as at the end of such year
and audited statements of income and of cash flows of the Company for such year,
certified by certified public accountants of established national reputation
selected by the Company, and prepared in accordance with generally accepted
accounting principles; and

                    (ii)  within 45 days after the end of each fiscal quarter of
the Company (other than the fourth fiscal quarter), an unaudited balance sheet
of the Company as at the end of such quarter, and unaudited statements of income
and of cash flows of the Company for such fiscal quarter and for the current
fiscal year to the end of such fiscal quarter.

               (b)  The foregoing financial statements shall be prepared on a
consolidated basis if the Company then has any subsidiaries.  The financial
statements delivered pursuant to clause (ii) of paragraph (a) shall be
accompanied by a certificate of the chief financial officer of the Company
stating that such statements have been prepared in accordance with generally
accepted accounting principles consistently applied (except as noted) and fairly
present the financial condition and results of operations of the Company at the
date thereof and for the periods covered thereby, except that such financial
statements will have been prepared for the internal use of management and may
not be in accordance with generally accepted accounting principles because of
the absence of footnotes normally contained therein and are subject to normal
year-end audit adjustments which in the aggregate will not be material.

               (c)  The annual budgetary information for each upcoming fiscal
year will be presented at a Board of Directors' meeting at least 30 days prior
to each fiscal year-end of the Company and will be subject to approval by the
Board of Directors. Such budgetary information shall include a budget for the
upcoming fiscal year and the succeeding one year describing in reasonable
detail, at a minimum, assumptions with respect to revenues, key operating
expenses and capital expenditures and financings. Any material deviations from
the budget for any fiscal year will be subject to prior approval by the Board of
Directors.

          7.2  Indemnification and Insurance.  For so long as the Note or any of
               -----------------------------
the Shares remain outstanding, (i) the Certificate of Incorporation or By-Laws
of the Company will at all times during which any person elected solely by the
holders of Series A Preferred serves as director of the Company provide for
indemnification of the directors and limitations on the liability of the
directors to the fullest extent permitted under applicable state law, and (ii)
the Company will use its best efforts to obtain and maintain on reasonable
business terms directors and officers' liability insurance coverage of at least
$5,000,000 per occurrence.

          7.3  Material Adverse Changes.  The Company will monitor and promptly
               ------------------------
advise the Purchaser of any event which represents a material adverse change in
the condition or business, financial or otherwise, of the Company, and of each
suit or proceeding commenced or threatened against the Company which, if
adversely determined, in the reasonable judgment of the Company, could have a
material adverse effect on the Company or its financial conditions, business or
prospects.

          7.4  Negative Covenants.  So long as the Note or any Shares are
               ------------------
outstanding, the Company shall not, without the prior written consent of the
holders of not less than a

                                      -12-
<PAGE>

majority of such outstanding Shares (which for this purpose shall include any
Shares into which the Note may be converted):

               (a)  Declare or pay any dividends or make any distribution of
cash, property or securities with respect to shares of its Common Stock, Series
A Preferred Stock or Series B Preferred Stock, other than dividends payable
solely in Common Stock;

               (b)  Enter into any transaction, agreement or arrangement with
any 5% stockholder, officer or director of the Company or any persons or
entities who are members of the immediate family of, or are controlled by or are
otherwise affiliates (as defined in the Securities Act) of, any of the foregoing
persons or entitles, except transactions (i) in the ordinary course of business,
(ii) under the terms of an employee stock or option plan approved by the Board
of Directors, or (iii) pursuant to the inter-company clearing account that has
been established between the Company and the Purchaser (provided, however, that
if any amounts owed by the Company to the Purchaser pursuant to such account are
not paid in full by the Company within 30 days after the end of the calendar
month in which such funds were first advanced to the Company, no additional
advances shall be accepted by the Company other than pursuant to this Section
7.4 without the exception provided in this clause (b));

               (c)  Grant any options, warrants or other similar rights to
purchase capital stock of the Company (other than options to purchase up to
1,500,000 shares of Common Stock that may be granted to employees, officers or
directors of, or consultants or advisors to, the Company pursuant to any stock
or option plan approved by the Board of Directors).

               (d)  Increase the number of members of the Board of Directors
above seven (7);

               (e)  Redeem, purchase or otherwise acquire for consideration any
shares of capital stock of the Company (other than any shares redeemed upon
termination of an employee's employment pursuant to a stock restriction or
similar agreement approved by the Board of Directors or its designee or redeemed
pursuant to the provisions of the Certificate of Amendment);

               (f)  (i) Merge with or into or consolidate with any Competitor,
(ii) sell, lease, or otherwise dispose of all or substantially all of its
properties or assets to any Competitor, or (iii) sell or issue any of its
securities representing greater than 5% of the capital stock of the Company on a
fully diluted basis on the date of such sale or issuance to any Competitor. For
purposes of this paragraph (f), "Competitor" means any of the following
companies: CompuServe, Prodigy, The Walt Disney Company, Yahoo, Excite,
Infoseek, Citysearch, Cityscape, Big Book, Netscape, Microsoft, AT&T, Sprint,
MCI, Ameritech, Bell Atlantic, NYNEX, BellSouth, Pacific Telesis, SBC
Communications, US West, GTE, New York Times, Tribune, Washington Post Company,
News Center Network; Time Warner, Times Mirror, TCI or Knight-Rider; or

               (g)  Issue any shares of its capital stock which are senior to
the Series A Preferred with respect to dividends, liquidation, redemptions,
voting, or otherwise.

                                      -13-
<PAGE>

          7.5  Reservation of Stock.  The Company shall reserve and maintain a
               --------------------
sufficient number of shares of (i) Common Stock to satisfy the conversion rights
of holders of Series C Preferred and (ii) Series C Preferred to satisfy the
rights to purchase shares of Series C Preferred pursuant to the Note.

          7.6  Nondisclosure and Assignment Agreements.  The Company shall use
               ---------------------------------------
its reasonable best efforts as soon as practicable following the Closing to
obtain from each of its employees and consultants and independent contractors
whose responsibilities require access to confidential or proprietary information
of the Company, nondisclosure and assignment of invention agreements
substantially in the form of Exhibit C.
                             ---------

          7.7  Termination of Covenants.  The covenants of the Company contained
               ------------------------
in Sections 7.1 and 7.3 shall terminate, and be of no further force or effect,
upon the date the Company has a class of securities registered under the
Securities Exchange Act of 1934, as amended.

     8.   Transfer of Shares.
          ------------------

          8.1  Restricted Shares.  "Restricted Shares" means (i) the Note, (ii)
               -----------------
the Shares, (iii) the shares of Common Stock issued or issuable upon conversion
of the Shares, and (iv) any other shares of capital stock of the Company issued
in respect of such shares (as a result of stock splits, stock dividends,
reclassifications, recapitalizations, or similar events); provided, however,
                                                          --------  -------
that shares of Common Stock which are Restricted Shares shall cease to be
Restricted Shares (i) upon any sale pursuant to (a) the Registration Rights
Amendment, (b) an effective registration statement filed with the Securities and
Exchange Commission under the Securities Act registering such Restricted Shares,
(c) Section 4(1) of the Securities Act or (d) Rule 144 under the Securities Act
or (ii) at such time as they become eligible for sale under Rule 144(k) under
the Securities Act.

          8.2  Requirements for Transfer.  Restricted Shares shall not be sold
               -------------------------
or transferred unless either (i) they first shall have been registered under the
Securities Act, or (ii) the Company first shall have been furnished with an
opinion of legal counsel, reasonably satisfactory to the Company, to the effect
that such sale or transfer is exempt from the registration requirements of the
Securities Act.

          8.3  Legend.  Each certificate representing Restricted Shares shall
               ------
bear a legend substantially in the following form:

          "The shares represented by this certificate have not been
          registered under the Securities Act of 1933, as amended, and
          may not be offered, sold or otherwise transferred, pledged
          or hypothecated unless and until the shares are registered
          under the Act or an opinion of counsel reasonably
          satisfactory to the Company is obtained to the effect that
          the registration is not required."

The foregoing legend shall be removed from the certificates representing any
Restricted Shares, at the request of the holder thereof, at such time as they
cease to be Restricted Shares as provided in Section 8.1.

                                      -14-
<PAGE>

          8.4  Rule 144A Information.  The Company shall, at all times during
               ---------------------
which it is neither subject to the reporting requirements of Section 13 or 15(d)
of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), nor
exempt from reporting pursuant to Rule 12g3-2(b) under the Exchange Act, upon
the written request of the Purchaser, provide in writing to the Purchaser and to
any prospective transferee of any Restricted Shares of the Purchaser the
information concerning the Company described in Rule 144A(d)(4) under the
Securities Act ("Rule 144A Information").  The Company's obligations under this
Section 8.4 shall at all times be contingent upon receipt from the prospective
transferee of Restricted Shares of a written agreement to take all reasonable
precautions to safeguard the Rule 144A Information from disclosure to anyone
other than persons who will assist such transferee in evaluating the purchase of
any Restricted Shares.

     9.   Miscellaneous.
          -------------

          9.1  Successors and Assigns.  This Agreement, and the rights and
               ----------------------
obligations of the Purchaser hereunder, may not be assigned by the Purchaser to
any person or entity, provided, however, that the rights and obligations of the
Purchaser under Section 7 and 8 above may be assigned to any person to whom any
Note or Shares are transferred in compliance with the provisions of this
Agreement and the other agreements provided for herein.

          9.2  Survival of Representations and Warranties.  All agreements,
               ------------------------------------------
representations and warranties contained herein shall survive the execution and
delivery of this Agreement and the closing of the transactions contemplated
hereby.

          9.3  Notices.  All notices, requests, consents, and other
               -------
communications under this Agreement shall be in writing and shall be delivered
by hand or mailed by overnight courier using a nationally recognized courier
service or first class certified or registered mail, return receipt requested,
postage prepaid:

               If to the Company, at 115 Flanders Road, Westboro, Massachusetts
01581, Attention: President, or at such other address or addresses as may have
been furnished in writing by the Company to the Purchaser, with a copy to Hale
and Dorr LLP, 60 State Street, Boston, Massachusetts 02109, Attention: Mark G.
Borden, Esq.

               If to the Purchaser, at 120 Flanders Road, Westboro,
Massachusetts 01581, Attention: President, or at such other address or addresses
as may have been furnished in writing by the Purchaser to the Company, with a
copy to Hale and Dorr LLP, 60 State Street, Boston, Massachusetts 02109,
Attention: Mark G. Borden, Esq.

               Notices provided in accordance with this Section 9.4 shall be
deemed delivered upon personal delivery, one business day after being sent by
overnight courier or two business days after deposit in the mail.

          9.4  Brokers.  The Company and the Purchaser (i) represents and
               -------
warrants to the other party hereto that it has retained no finder or broker in
connection with the transactions contemplated by this Agreement, and (ii) will
indemnify and save the other parties harmless from and against any and all
claims, liabilities or obligations with respect to brokerage or finders' fees or
commissions, or consulting fees in connection with the transactions contemplated

                                      -15-
<PAGE>

by this Agreement asserted by any person on the basis of any statement or
representation alleged to have been made by such indemnifying party.

          9.5   Entire Agreement.  This Agreement and the Ancillary Agreements
                ----------------
embody the entire agreement and understanding between the parties hereto with
respect to the subject matter hereof and supersedes all prior agreements and
understandings relating to such subject matter.

          9.6   Amendments and Waivers.  Except as otherwise expressly set forth
                ----------------------
in this Agreement, any term of this Agreement may be amended and the observance
of any term of this Agreement may be waived (either generally or in a particular
instance and either retroactively or prospectively), with the written consent of
the Company and the holders of a majority of the shares of Common Stock issued
or issuable upon conversion of the Shares into which the Note is converted or
convertible.  Any amendment or waiver effected in accordance with this Section
9.6 shall be binding upon each holder of any Note, any Shares (including shares
of Common Stock into which such Shares have been converted), each future holder
of all such securities and the Company.  No waivers of or exceptions to any
term, condition or provision of this Agreement, in any one or more instances,
shall be deemed to be, or construed as, a further or continuing waiver of any
such term, condition or provision.

          9.7   Counterparts.  This Agreement may be executed in one or more
                ------------
counterparts, each of which shall be deemed to be an original, but all of which
shall be one and the same document.

          9.8   Section Headings.  The section headings are for the convenience
                ----------------
of the parties and in no way alter, modify, amend, limit, or restrict the
contractual obligations of the parties.

          9.9   Severability.  The invalidity or unenforceability of any
                ------------
provision of this Agreement shall not affect the validity or enforceability of
any other provision of this Agreement.

          9.10  Governing Law.  This Agreement shall be governed by and
                -------------
construed in accordance with the laws of the State of Delaware.

          9.11  Costs.  The prevailing party in any dispute arising out of or
                -----
relating to this Agreement shall be entitled to reasonable attorneys' fees and
costs incurred in defending or pursuing such dispute.

          9.12  Expenses.  The Company shall pay all costs and expenses of the
                --------
Company and the Purchaser in connection with the transactions contemplated
hereby.

          9.13  Acknowledgement and Waiver.  The parties hereto acknowledge and
                --------------------------
agree that, except as contemplated by Section 1.2, the Purchaser is under no
obligation whatsoever to advance any amounts of the Company.  The Company hereby
waives any and all claims it may have, including without limitation claims under
any agreement or instrument and under any applicable law, rule or regulation,
based upon any determination by the Purchaser not to advance any amounts to the
Company.

                                      -16-
<PAGE>

          9.14  Facsimile Signature.  This Agreement may be executed by
                -------------------
facsimile signatures.

                                   COMPANY:

                                   SWITCHBOARD INCORPORATED

                                   By: /s/ Douglas McIntyre
                                      ---------------------------------
                                       Name:  Douglas McIntyre
                                       Title: President

                                   PURCHASER:

                                   BANYAN SYSTEMS INCORPORATED

                                   By: /s/ William P. Ferry
                                      ---------------------------------
                                       Name:  William P. Ferry
                                       Title: Chief Executive Officer

                                      -17-
<PAGE>

                                 AMENDMENT TO
                  CONVERTIBLE SECURED NOTE PURCHASE AGREEMENT
                  -------------------------------------------

     This Amendment dated as of February 20,1998, is entered into by and between
Banyan Systems Incorporated, a Massachusetts corporation (the "Purchaser"), and
Switchboard Incorporated, a Delaware corporation (the "Company"), and amends the
Convertible Secured Note Purchase Agreement dated as of August 29, 1997 by and
between the Purchaser and the Company (the "Agreement"). Capitalized terms used
but not defined herein shall have the respective meanings ascribed to such terms
in the Agreement.

     The Agreement is hereby amended as follows:

     1.   The maximum aggregate principal amount of the Note is increased from
$3,000,000.00 to $7,000,000.00.  All references in the Agreement to such
$3,000,000.00 amount are revised to $7,000,000.00.

     2.   The Note for the maximum aggregate principal amount of $3,000,000.00
previously issued and sold by the Company to the Purchaser pursuant to the
Agreement shall be cancelled, and the Company shall issue and sell to the
Purchaser a new note (the "Replacement Note") in the aggregate principal amount
of $7,000,000.00.  The terms of the Replacement Note shall in all other respects
be identical to the terms of the Note (including an identical effective date).
The loans made through the date hereof that are referenced on Schedule I of the
Note shall be referenced on Schedule I of the Replacement Note.  All references
in the Agreement to the "Note" shall be deemed to be references to the
Replacement Note.

     3.   As soon as practicable following the date hereof, the Company will
file with the Secretary of State of the State of Delaware a Certificate of
Amendment to Certificate of Incorporation substantially in the form attached
hereto as Attachment A (the "New Certificate of Amendment"). All references in
          ------------
the Agreement to the "Certificate of Amendment" shall be deemed to be references
to the New Certificate of Amendment.

     4.   The Company hereby represents and warrants to the Purchaser that,
except as set forth in Attachment B hereto, the representations and warranties
                       ------------
of the Company set forth in Section 3 of the Agreement are true and correct in
all respects on the date hereof as if made on the date hereof.  The first
sentence of Section 3.9 of the Agreement is amended to refer to the balance
sheet as of December 31, 1997 and the statements of operations and cash flows
for the twelve months then ended.

     5.   The Purchaser hereby represents and warrants to the Purchaser that the
representations and warranties of the Purchaser set forth in Section 4 of the
Agreement are true and correct in all respects on the date hereof as if made on
the date hereof.

     6.   As a condition to the effectiveness hereof, the Company shall deliver
to the Purchaser (a) the Amended and Restated Registration Rights Agreement
attached hereto as Exhibit C executed by each of the parties thereto (other than
                   ---------
the Purchaser). and (b) the Amendment to Security Agreement attached hereto as
Attachment D executed by the Company.
------------

<PAGE>

Any reference in the Agreement to the "Ancillary Agreements" shall be deemed to
refer to the agreements referenced in this Paragraph 6.

     7.   Except as set forth above, all provisions of the Agreement shall
remain in full force and effect. Any rights either party hereto may have as a
result of a breach of, or misrepresentation contained in, the Agreement prior to
this Amendment shall remain in full force and effect and shall not be deemed to
be waived as a result of the execution and delivery of this Amendment.

     EXECUTED as of the date first set forth above.

                                   COMPANY:

                                   SWITCHBOARD INCORPORATED

                                   By: /s/ Douglas McIntyre
                                      ---------------------------------
                                       Name:  Douglas McIntyre
                                            ---------------------------
                                       Title: President
                                             --------------------------

                                   PURCHASER:

                                   BANYAN SYSTEMS INCORPORATED

                                   By: /s/ William P. Ferry
                                      ---------------------------------
                                       Name:  William P. Ferry
                                            ---------------------------
                                       Title: Chief Executive Officer
                                             --------------------------

                                      -2-
<PAGE>

                                 AMENDMENT TO
                  CONVERTIBLE SECURED NOTE PURCHASE AGREEMENT
                  -------------------------------------------

     This Amendment dated as of May 3, 1999, is entered into by and between
Banyan Systems Incorporated, a Massachusetts corporation (the "Purchaser"), and
Switchboard Incorporated, a Delaware corporation (the "Company"), and amends the
Convertible Secured Note Purchase Agreement dated as of August 29, 1997 by and
between the Purchaser and the Company, as amended as of February 20, 1998 (the
"Agreement").  Capitalized terms used but not defined herein shall have the
respective meanings ascribed to such terms in the Agreement.

     The Agreement is hereby amended as follows:

     1.   The Note for the maximum aggregate principal amount of $7,000,000
previously issued and sold by the Company to the Purchaser pursuant to the
Agreement shall be cancelled, and the Company shall issue and sell to the
Purchaser (i) a new note in the aggregate principal amount of $10,000,000, which
is convertible into Series C Convertible Preferred Stock of the Company at an
initial conversion price of $4.00 per share (the "Series C Replacement Note"),
and (ii) a new note in the aggregate principal amount of $5,000,000, which is
convertible into Series D Convertible Preferred Stock of the Company at an
initial conversion price of $7.50 per share (the "Series D Note").  The terms of
the Series C Replacement Note shall in all other respects be identical to the
terms of the Note (including an identical effective date).  The Series D Note
shall be in the form attached hereto as Attachment A.  The loans made through
                                        ------------
the date hereof that are referenced on Schedule I of the Note shall be
referenced on Schedule I of the Series C Replacement Note.  All future loans up
to and including the aggregate principal amount of $10,000,000 shall be made
under the Series C Replacement Note.  Any loans beyond such $10,000,000 amount
shall be made under the Series D Note.  All references in the Agreement to the
"Note" shall be deemed to be references to the Series C Replacement Note and the
Series D Note.  All references in the Agreement to "$7,000,000" shall be to
"$10,000,000" with respect to the Series C Replacement Note and to "$5,000,000"
with respect to the Series D Note.

     2.   As soon as practicable following the date hereof, the Company will
file with the Secretary of State of the State of Delaware a Certificate of
Amendment to Certificate of Incorporation substantially in the form attached
hereto as Attachment B (the "New Certificate of Amendment"). All references in
          ------------
the Agreement to the "Certificate of Amendment" shall be deemed to be references
to the New Certificate of Amendment.

     3.   As a condition to the effectiveness hereof, the Company shall deliver
to the Purchaser the Amendment to Security Agreement attached hereto as
Attachment C executed by the Company.  Any reference in the Agreement to the
------------
"Ancillary Agreements" shall be deemed to refer to the agreements referenced in
this Paragraph 3.

     4.   Except as set forth above, all provisions of the Agreement shall
remain in full force and effect. Any rights either party hereto may have as a
result of a breach of, or misrepresentation contained in, the Agreement prior to
this Amendment shall remain in full force

<PAGE>

and effect and shall not be deemed to be waived as a result of the execution and
delivery of this Amendment.

     EXECUTED as of the date first set forth above.

                                   COMPANY:

                                   SWITCHBOARD INCORPORATED

                                   By: /s/ Dean Polnerow
                                      ---------------------------------
                                       Name:  Dean Polnerow
                                            ---------------------------
                                       Title: President
                                             --------------------------

                                   PURCHASER:

                                   BANYAN SYSTEMS INCORPORATED

                                   By: /s/ Richard M. Spaulding
                                      ---------------------------------
                                       Name:  Richard M. Spaulding
                                            ---------------------------
                                       Title: Vice President and CFO
                                             --------------------------

                                      -2-

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