Document:

<PAGE>

                                                                     EXHIBIT 4.5

                      CONFIDENTIAL TREATMENT REQUESTED. CONFIDENTIAL PORTIONS OF
                      THIS DOCUMENT HAVE BEEN REDACTED AND HAVE BEEN SEPARATELY
                      FILED WITH THE SECURITIES AND EXCHANGE COMMISSION

                                   EXHIBIT K

THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES
ACT OF 1933, AS AMENDED (THE "ACT"), OR UNDER THE SECURITIES LAWS OF ANY STATES.
THESE SECURITIES ARE SUBJECT TO RESTRICTIONS ON TRANSFERABILITY AND RESALE AND
MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS PERMITTED UNDER THE ACT AND THE
APPLICABLE STATE SECURITIES LAWS, PURSUANT TO REGISTRATION OR EXEMPTION
THEREFROM.  INVESTORS SHOULD BE AWARE THAT THEY MAY BE REQUIRED TO BEAR THE
FINANCIAL RISKS OF THIS INVESTMENT FOR AN INDEFINITE PERIOD OF TIME.  THE ISSUER
OF THESE SECURITIES MAY REQUIRE AN OPINION OF COUNSEL IN FORM AND SUBSTANCE
SATISFACTORY TO THE ISSUER TO THE EFFECT THAT ANY PROPOSED TRANSFER OR RESALE IS
IN COMPLIANCE WITH THE ACT AND ANY APPLICABLE STATE SECURITIES LAWS.

                                                                      Void after
                                                                  April 30, 2003

                                SMARTAGE CORP.

            WARRANT TO PURCHASE SHARES OF SERIES B PREFERRED STOCK
            ------------------------------------------------------

     This Warrant to Purchase Shares of Series B Preferred Stock (the "Warrant")
                                                                       -------
is issued to Excite, Inc., a Delaware corporation ("Holder" or "Excite") by
                                                    ------      ------
SmartAge Corp., a Delaware corporation (the "Company"), pursuant to the terms of
                                             -------
that certain Marketing and Services Agreement dated as of April 30, 1999, by and
between Holder and the Company (the "Agreement").  Terms not defined in this
                                     ---------
Warrant shall have the meaning given such terms in the Agreement.

     1.  Purchase of Shares.  Subject to the terms and conditions hereinafter
         ------------------
set forth in this Warrant, Holder is entitled, upon surrender of this Warrant at
the principal office of the Company (or at such other place as the Company shall
notify Holder hereof in writing), to purchase from the Company up to the number
of shares of Series B Preferred Stock of the Company ("Series B Preferred")
                                                       ------------------
described in Section 2 below.  The shares of Series B Preferred (or, if the
Series B Preferred has converted into Common Stock, then Common Stock) issuable
pursuant to this Warrant (the "Shares") shall also be subject to adjustment as
                               ------
provided herein.

     2.  Number of Shares.  The maximum aggregate number of Shares that can be
         ----------------
acquired upon exercise of the Warrant is 1,136,064 Shares.  During the term of
the Agreement, the Warrant will be exercisable to acquire the following number
of Shares on and after the following times:

         (a)  with respect to the first 378,688 Shares, on the date when total
     revenues generated from the sale of Available Inventory through the Excite
     Buying Service reach $*** during the term of the Agreement.

         (b)  with respect to an additional 189,344 Shares, on the date when
     total revenues generated from the sale of Available Inventory through the
     Excite Buying Service reach $*** during the term of the Agreement.

         (c)  with respect to an additional 189,344 Shares, on the date when
     total revenues

            ***CONFIDENTIAL MATERIAL REDACTED AND FILED SEPARATELY
               WITH THE SECURITIES AND EXCHANGE COMMISSION

Confidential and Proprietary Information                                      50
<PAGE>

     generated from the sale of Available Inventory through the Excite Buying
     Service reach $*** during the term of the Agreement.

          (d) with respect to an additional 189,344 Shares, on the date when
     total revenues generated from the sale of Available Inventory through the
     Excite Buying Service reach $*** during the term of the Agreement.

          (e) with respect to an additional 189,344 Shares, on the date when
     total revenues generated from the sale of Available Inventory through the
     Excite Buying Service reach $*** during the term of the Agreement.

     3.   Purchase Price.  The exercise price of the Warrant will be $1.10 per
          --------------
share of Series B Preferred (such price, as adjusted from time to time pursuant
to Section 8(a), is herein referred to as the "Exercise Price").
                                               --------------

     4.   Exercise Period.  The Warrant is exercisable in whole or in part until
          ---------------
four years from the date of issuance.  In addition, any unexercised portion of
the Warrant will expire upon termination or expiration of the Agreement by the
Company.

     5.   Method of Exercise.  While this Warrant remains outstanding and
          ------------------
exercisable in accordance with Section 2 above, the holder may exercise, in
whole or in part, the purchase rights evidenced hereby.  In the event of an
incremental exercise pursuant to the terms of Section 2 above, the holder of
such warrant shall receive a new warrant representing the unexercised portion of
the original warrant.  Such exercise shall be effected by:

          (a) the surrender of the Warrant, together with a duly executed copy
of a subscription in from and substance satisfactory to the Company, to the
Secretary of the Company at its principal offices; and

          (b) the payment to the Company (i) by check or wire transfer of funds,
of an amount equal to the aggregate Exercise Price for the number of Shares
being purchased, or (ii) if the Company in its discretion so allows, in lieu of
cash exercising this Warrant, Holder may elect to receive Shares equal to the
value of this Warrant (or the portion thereof being canceled) by surrender of
this Warrant at the principal office of the Company together with notice of such
election, in which event the Company shall issue to the holder hereof a number
of shares of Series B Preferred computed using the following formula:

                                   Y(A-B)
                                   ------
                         X =         A

  Where

     X -- The number of Shares to be issued to Holder.

     Y -- The number of Shares of purchasable under this Warrant.

     A -- The fair market value of one share of the Company's Series B
          Preferred (or, if Series B Preferred has converted into Common Stock,
          then Common Stock).

     B -- The Exercise Price (as adjusted to the date of such calculations).

            ***CONFIDENTIAL MATERIAL REDACTED AND FILED SEPARATELY
               WITH THE SECURITIES AND EXCHANGE COMMISSION

Confidential and Proprietary Information                                      51
<PAGE>

     For purposes of this Section, the fair market value of a share (of Common
Stock or Series B Preferred) shall mean the average of the closing bid and asked
prices of the share as quoted on the Nasdaq National Market on which the shares
are traded or the closing price quoted on any exchange or national market system
on which the shares are listed, whichever is applicable, as published in The
                                                                         ---
Wall Street Journal for the ten trading days prior to the date of determination
-------------------
of fair market value (or such shorter period of time during which such stock was
traded on the Nasdaq National Market or on such exchange).  If the shares are
not traded on the Nasdaq National Market or on such other exchange, the fair
market value shall be the price per share that the Company could obtain from a
willing buyer for shares of the class or series of shares for which the Warrant
is then exercisable, as determined in good faith by the Company's Board of
Directors.

     6.  Certificates for Shares.  Upon the exercise of the purchase rights
         -----------------------
evidenced by this Warrant, one or more certificates for the number of Shares so
purchased shall be issued as soon as practicable thereafter, and in any event
within fourteen (14) days of the delivery of the subscription notice and the
Exercise Price.

     7.  Issuance of Shares.  The Company covenants that the Shares, when issued
         ------------------
pursuant to the exercise of this Warrant, will be duly and validly issued, fully
paid and nonassessable and free from all taxes, liens, and charges with respect
to the issuance thereof.

     8.  Adjustment of Exercise Price and Number of Shares.  The number of and
         -------------------------------------------------
kind of securities purchasable upon exercise of this Warrant and the Exercise
Price shall be subject to adjustment from time to time as follows:

         (a)   Subdivisions, Combinations and Other Issuances.  If the Company
               ----------------------------------------------
shall at any time prior to the expiration of this Warrant subdivide its Series B
Preferred, by split-up or otherwise, or combine its Series B Preferred, or issue
additional shares of its Series B Preferred or Series B Preferred as a dividend
with respect to any shares of its Series B Preferred, the number of Shares
issuable on the exercise of this Warrant shall forthwith be proportionately
increased in the case of a subdivision or stock dividend, or proportionately
decreased in the case of a combination.  Appropriate adjustments shall also be
made to the Exercise Price payable per share, but the aggregate Exercise Price
payable for the total number of Shares purchasable under this Warrant (as
adjusted) shall remain the same.  Any adjustment under this Section shall become
effective at the close of business on the date the subdivision or combination
becomes effective, or as of the record date of such dividend, or in the event
that no record date is fixed upon the making of such dividend.

         (b)   Reclassification or Reorganization.  In case of any
               ----------------------------------
reclassification, capital reorganization, or change in the Series B Preferred
(other than as a result of a subdivision, combination, or stock dividend
provided for above), then, as a condition of such reclassification,
reorganization, or change, lawful provision shall be made, and duly executed
documents evidencing the same from the Company or its successor shall be
delivered to Holder, so that Holder shall have the right at any time prior to
the expiration of this Warrant to purchase, at a total price equal to that
payable upon the exercise of this Warrant, the kind and amount of shares of
stock and other securities and property receivable in connection with such
reclassification, reorganization, or change by a holder of the same number of
shares of Series B Preferred as were purchasable by Holder immediately prior to
such reclassification, reorganization, or change.  In any such case appropriate
provisions shall be made with respect to the rights and interest of Holder so
that the provisions hereof shall thereafter be applicable with respect to any
shares of stock or other securities and property deliverable upon exercise
hereof, and appropriate adjustments shall be made to the purchase price per
share payable

Confidential and Proprietary Information                                      52
<PAGE>

hereunder, provided the aggregate purchase price shall remain the same.

          (c) Adjustment for Reorganization, Consolidation or Merger.  In case
              ------------------------------------------------------
of any reorganization of the Company (or of any other corporation, the stock or
other securities of which are at the time receivable on the exercise of this
Warrant), after the date of this Warrant, or in case, after such date, the
Company (or any such corporation) shall consolidate with or merge into another
corporation or convey all or substantially all of its assets to another
corporation, then, and in each such case, the Holder, upon the exercise of this
Warrant (as provided in Section 5), at any time after the consummation of such
reorganization, consolidation, merger or conveyance, shall be entitled to
receive, in lieu of the stock or other securities and property receivable upon
the exercise of this Warrant prior to such consummation, the stock or other
securities or property to which the Holder would have been entitled upon the
consummation of such reorganization, consolidation, merger or conveyance if the
Holder had exercised this Warrant immediately prior thereto, all subject to
further adjustment as provided in this Warrant, and the successor or purchasing
corporation in such reorganization, consolidation, merger or conveyance (if
other than the Company) shall duly execute and deliver to the Holder a
supplement hereto acknowledging such corporation's obligations under this
Warrant; and in each such case, the terms of this Warrant shall be applicable to
the shares of stock or other securities or property receivable upon the exercise
of this Warrant after the consummation of such reorganization, consolidation,
merger or conveyance.

          (d) Notice of Adjustment.  When any adjustment is required to be made
              --------------------
in the number or kind of shares purchasable upon exercise of the Warrant, or in
the Exercise Price, the Company shall promptly notify the holder of such event
and of the number of shares of Common Stock or other securities or property
thereafter purchasable upon exercise of this Warrant, and such notice shall show
in reasonable detail the facts on which the adjustment is based..

     9.   No Fractional Shares of Scrip.  No fractional shares or scrip
          -----------------------------
representing fractional shares shall be issued upon the exercise of this
Warrant, but in lieu of such fractional shares the Company shall make a cash
payment therefor on the basis of the Exercise Price then in effect.

     10.  No Stockholder Rights.  Prior to exercise of this Warrant, Holder
          ---------------------
shall not be entitled to any rights of a stockholder with respect to the Shares,
including (without limitation) the right to vote such Shares, receive dividends
or other distributions thereon, exercise preemptive rights or be notified of
stockholder meetings, and such holder shall not be entitled to any notice or
other communication concerning the business or affairs of the Company.

     11.  Transferability.  The Warrant is not transferable (except in
          ---------------
connection with a sale of all or substantially all of Excite's assets or a
merger or similar transaction in which Excite's shareholders do not hold at
least 50% of the voting power and equity of the surviving corporation or in
connection with an internal reorganization of Excite to any wholly owned
subsidiary which is controlled by Excite or a newly formed parent company which
controls Excite, as long as such purchaser or the successor entity is not a
competitor of the Company as listed on Exhibit A hereto).
                                       ---------

     12.  Representations by Holder.  Holder hereby represents and warrants to
          -------------------------
the Company that:

          (a) This Warrant has been, and upon exercise of this Warrant the
Shares shall be, acquired by Holder for investment for Holder's own account and
not with a view to the sale or other distribution thereof within the meaning of
the Securities Act of 1933, as amended (the "Act"), and
                                             ---

Confidential and Proprietary Information                                      53
<PAGE>

Holder has no present intention of selling or otherwise disposing of all or any
portion of this Warrant or the Shares.

          (b) Holder has acquired this Warrant for Holder's own account and no
one else has any beneficial ownership in this Warrant.  Holder is an "accredited
investor" as such term is defined under Rule 501 of the Act.

          (c) Holder understands that this Warrant, and the Shares issuable upon
exercise hereof, are characterized as "restricted securities" under the Act
inasmuch as they are being acquired from the Company in a transaction not
involving a public offering and that under the Act and applicable regulations
thereunder such securities may be resold without registration under the Act only
in certain limited circumstances.  Holder understands that no public market now
exists for this Warrant, or the Shares issuable upon exercise hereof, and that
it is uncertain whether a public market shall ever exist for such securities.
Moreover, Holder understands and agrees that the Company has no present plans to
register or qualify the Warrant or the Shares issuable hereunder with the U.S.
Securities and Exchange Commission ("SEC") or any other governmental authority
                                     ---
and that the Company has no obligation to so register or qualify the Warrant or
any or all such Shares for any future sale thereof by Holder.

          (d) Rule 144 promulgated under the Act, which provides for certain
limited, routine sales of unregistered securities, is not presently available
with respect to this Warrant, and the Company is under no obligation to furnish
the information that might be necessary to enable Holder to sell any portion of
this Warrant under Rule 144.

          (e) Holder has had access to information regarding the Company, its
present and prospective business, assets, liabilities and financial condition
that Holder considers important to making the decision to invest in this Warrant
and the Shares.  Holder has had the opportunity to ask questions of and receive
answers from the Company's representatives concerning this investment and to
obtain any and all documents requested in order to supplement or verify any of
the information supplied.

          (f) Holder recognizes that the investment in this Warrant and the
Shares involves special and substantial risks.  Holder recognizes (1) the highly
speculative nature of the investment, (2) the financial hazards involved, (3)
the lack of liquidity of this Warrant and the Shares and the restrictions upon
transferability thereof, and (4) the tax consequences of investment in this
Warrant and the Shares, among other matters.

          (g) Holder is capable of evaluating the merits and risks of an
investment in this Warrant and the Shares and is financially capable of bearing
a total loss of this investment.

          (h) Holder either (1) has a preexisting personal or business
relationship with the Company or its principals or (2) by reason of Holder's
business or financial experience, has the capacity to protect Holder's own
interests in connection with this transaction.

          (i) The offer and sale of this Warrant and the Shares was not
accomplished by the publication of any advertisement.

Confidential and Proprietary Information                                      54
<PAGE>

     13.  Compliance With Securities Act; Disposition of Shares.
          -----------------------------------------------------

          (a)  Legends.  Any certificate for Shares issued upon exercise hereof
               -------
shall be imprinted with the legends set forth below:

               (1)  THE SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED
UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR UNDER THE
SECURITIES LAWS OF ANY STATES. THESE SECURITIES MAY BE SUBJECT TO RESTRICTIONS
ON TRANSFERABILITY AND RESALE AND MAY NOT BE TRANSFERRED OR RESOLD EXCEPT AS
PERMITTED UNDER THE ACT AND THE APPLICABLE STATE SECURITIES LAWS, PURSUANT TO
REGISTRATION OR EXEMPTION THEREFROM. INVESTORS SHOULD BE AWARE THAT THEY MAY BE
REQUIRED TO BEAR THE FINANCIAL RISKS OF THIS INVESTMENT FOR AN INDEFINITE PERIOD
OF TIME. THE ISSUER OF THESE SECURITIES MAY REQUIRE AN OPINION OF COUNSEL IN
FORM AND SUBSTANCE SATISFACTORY TO THE ISSUER TO THE EFFECT THAT ANY PROPOSED
TRANSFER OR RESALE IS IN COMPLIANCE WITH THE ACT AND ANY APPLICABLE STATE
SECURITIES LAWS.

               (2)  Any legend required by the laws of the State of California
or Delaware.

               (3)  Any other legend reasonably deemed appropriate by counsel to
the Company.

          The legend set forth in paragraph (1) above shall be removed by the
Company from any certificate evidencing the Shares upon delivery to the Company
of an opinion by counsel, reasonably satisfactory to the Company, that a
registration statement under the Act is at that time in effect with respect to
the legended security or that such security can be freely transferred in a
public sale without such a registration statement being in effect and that such
transfer will not jeopardize the exemption or exemptions from registration
pursuant to which the Company issued the Shares.

          (b)  Further Limitations on Disposition.  Without in any way limiting
               ----------------------------------
the other representations of Holder set forth herein, Holder further agrees not
to make any disposition of all or any portion of the Shares unless and until:

               (1)  there is then in effect a registration statement under the
Act covering such proposed disposition and such disposition is made in
accordance with such registration statement; or

               (2)  (i) Holder shall have notified the Company of the proposed
disposition and shall have furnished the Company with a statement of the
circumstances surrounding the proposed disposition, and (ii) Holder shall have
furnished the Company, at the expense of Holder or its transferee, with an
opinion of counsel, reasonably satisfactory to the Company, that such
disposition shall not require registration of such securities under the Act.

               (3)  Notwithstanding the provisions of paragraphs (1) and (2)
above, no such registration statement or opinion of counsel shall be required:
(i) for any routine (as reasonably determined by the Company) transfer of any of
the Shares in compliance with SEC Rule 144 or Rule 144A, or (ii) for any
transfer of the Shares by Holder if a partnership or a corporation to (A) a
partner of such partnership or shareholder of such corporation, or (B) the
estate of any such partner or

Confidential and Proprietary Information                                      55
<PAGE>

shareholder; provided, that in each of the foregoing cases the transferee agrees
             --------
in writing to be subject to the terms of this Section.

     14.  Lock-Up Agreement.  Holder agrees that it shall not, to the extent
          -----------------
requested by the Company or an underwriter of securities of the Company, sell or
otherwise transfer or dispose of the Warrant or any Shares or other shares of
stock of the Company then owned by such Holder at the time the registration
statement is filed or thereafter for that number of days so designated by the
Company or the underwriter following the effective date of a registration
statement of the Company filed under the Securities Act (not to exceed in any
case 180 days after the effective date of such registration statement for the
first such registration statement or 90 days after the effective date of each
subsequent registration statement thereafter); provided, however, that all
                                               --------  -------
executive officers and directors of the Company then holding Common Stock of the
Company and all holders of 2.5% or more of the Company's Common Stock
(determined on an as-converted basis) enter into similar agreements.  The
Company shall have the right to place restrictive legends on the certificates
representing the Shares subject to this Section and to impose stop transfer
instructions with respect to the Shares and such other shares of stock of Holder
(and the shares or securities of every other person subject to the foregoing
restriction) until the end of such period.

     15.  Successors and Assigns.  The terms and provisions of this Warrant and
          ----------------------
the Agreement shall inure to the benefit of, and be binding upon, the Company
and the holders hereof and their respective successors and assigns.

     16.  Amendments and Waivers.  Any term of this Warrant may be amended and
          ----------------------
the observance of any term of this Warrant may be waived (either generally or in
a particular instance and either retroactively or prospectively), with the
written consent of the Company and Holder.  Any waiver or amendment effected in
accordance with this Section shall be binding upon each holder of any Shares
purchased under this Warrant at the time outstanding (including securities into
which such Shares have been converted), each future holder of all such Shares,
and the Company.

     17.  Counterparts.  This Warrant may be executed in any number of
          ------------
counterparts, each of which will be deemed an original and all of which taken
together will constitute one and the same instrument.  This Warrant will become
binding when one or more counterparts hereof, individually or taken together,
will bear the signatures of the parties reflected hereon as signatories.
Facsimile copies of such counterparts are acceptable.

     18.  Governing Law.  This Warrant shall be governed by the laws of the
          -------------
State of California as applied to agreements among California residents made and
to be performed entirely within the State of California.

     IN WITNESS WHEREOF, the parties have executed this Warrant as of the date
first written above.

                              COMPANY

                              SMARTAGE CORP.

                              By:_______________________________

Confidential and Proprietary Information                                      56
<PAGE>

                              Name:___________________________________

                              Its:____________________________________

                    Address:  SmartAge Corp.
                              3450 California Street
                              San Francisco, CA 91111
                              Attn: Carter Hostelley, Vice President
                              Fax: (415) 674-3782

                              HOLDER

                              EXCITE, INC.

                              By:_____________________________________

                              Name:___________________________________

                              Its:____________________________________

                    Address:  Excite, Inc.
                              555 Broadway
                              Redwood City, CA 94603
                              Attn:________________________
                              Fax: (650) 568-6030

       [Counterpart signature page to SmartAge Corp. Warrant to Purchase
                           Shares of Series B Stock]

                                   Exhibit A
                                   ---------

                          SmartAge Corp. Competitors

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24/7 Media                    Home and Garden Banner Exchange - exclusively
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Flycast                       HyperBanner - free web advertising system offering
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Lycos                         i-Stores Banner Exchange - e-commerce targeted.
Digital Work                  InterLink UK - free exposures, daily statistics,
                              IP/URL tracking, and more.
Allbusiness.com               Jassan Banner X'Change - display the banners of
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                              your own banner shown.
Springfield Project           KISS Banner Exchange - free banner swap program
                              for KISS sites.
123Banners                    Link Trader

Confidential and Proprietary Information                                      57
<PAGE>

1for1.com - offers targeted banner          LinkBuddies - banner exchange
exchange services.                          program with targeted marketing,
                                            hourly statistics and commercial
                                            sizebanners. 4 to 3 exchange rate is
                                            available.
Ad Cycle                                    LinkExchange (7)
Ad Swap                                     LinkMedia Network
Ad-Xchange                                  Macintosh Web Network
Amiga Web Network                           Malaysia Banner Exchange -
                                            advertising exchanges for web site
                                            promotion.
Australian Banner Link Exchange -           Metallica X Change - a MetallicA
includes a Sydney sub-exchange.             banner x-change.
BanEx                                       MoneyClicks.com - banner ad
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Banner Bazaar                               MS-Links Exchange - targeted
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Banner FX Exchange - designs free           Net-On's Banner Exchange
banners for members.
Banner Mania - promote your site to         Paramount Banner Network
a targeted audience with free banner
exchange that breaks down into various
targeted categories.
bannerCAST                                  PegasoWeb - free reciprocal banner
                                            advertising. Also offers Engenius,
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                                            web site owners to improve their
                                            position on search engines listings.
BannerSwap                                  PostMaster Banner Network - business
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BannerWomen - banner advertising and        Raleigh Banner Exchange - free
exchange for targeting women online.        banner advertising for businesses in
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BannerWorks - targeted banner advertising   Teen Starlet Banner Exchange
network for professional business,
technology, and business resource
related sites.
BannerXS                                    TradeBanners
BBS Xchange - banner exchange for           Web Affects - offers 1 to 1 banner
BBS-related sites.                          exchange service and web hosting.
BetterDeals - free network offers           Web Banner Links - directory with
targeting by content and/or geography.      brief reviews.
Christian Banner Swap - promoting and       Web Site Banner Advertising - an
advertising christian churches,             introduction
ministries, businesses, and personal
websites.
Cowleys Australian Banner Bank - original   Web Site Banner Advertising
Australian banner exchange network.         Introduction/Overview - contains
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                                            as well as experienced users.
CyberLink Exchange                          WebLinker Banner Exchange
Duthead's Banner Exchange                   WorldVillage Banner Exchange -
                                            featuring only family-friendly
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Exchange-it                                 Xlinkx
Free Banners
FreeMall Banner Exchange
Gamers Link Xtreme
GlobExchange

Confidential and Proprietary Information

                                                                              58<PAGE>

                                                                    EXHIBIT 10.1

                             SMARTAGE CORPORATION

                          1998 EQUITY INCENTIVE PLAN

                            As Adopted May 19, 1998

     1.   PURPOSE. The purpose of this Plan is to provide incentives to attract,
          -------
retain and motivate eligible persons whose present and potential contributions
are important to the success of the Company, its Parent and Subsidiaries, by
offering them an opportunity to participate in the Company's future performance
through awards of Options and Restricted Stock. Capitalized terms not defined in
the text are defined in Section 22 hereof. This Plan is intended to be a written
compensatory benefit plan within the meaning of Rule 701 promulgated under the
Securities Act.

     2.   SHARES SUBJECT TO THE PLAN.
          --------------------------

          2.1  Number of Shares Available.  Subject to Sections 2.2 and 17
               --------------------------
hereof, the total number of Shares reserved and available for grant and issuance
pursuant to this Plan will be 5,250,000 Shares, as amended by the Board on
10/14/99, or such lesser number of Shares as permitted under Section 260.140.45
of Title 10 of the California Code of Regulations.  Subject to Sections 2.2 and
17 hereof, Shares will again be available for grant and issuance in connection
with future Awards under this Plan that:  (a) are subject to issuance upon
exercise of an Option but cease to be subject to such Option for any reason
other than exercise of such Option or (b) are subject to a Restricted Stock
Award that otherwise terminates without Shares being issued.  At all times the
Company will reserve and keep available a sufficient number of Shares as will be
required to satisfy the requirements of all Awards granted under this Plan.

          2.2  Adjustment of Shares.  In the event that the number of
               --------------------
outstanding shares of the Company's Common Stock is changed by a stock dividend,
recapitalization, stock split, reverse stock split, subdivision, combination,
reclassification or similar change in the capital structure of the Company
without consideration, then (a) the number of Shares reserved for issuance under
this Plan, (b) the Exercise Prices of and number of Shares subject to
outstanding Options and (c) the Purchase Prices of and number of Shares subject
to other outstanding Awards will be proportionately adjusted, subject to any
required action by the Board or the stockholders of the Company and compliance
with applicable securities laws; provided, however, that fractions of a Share
will not be issued but will either be paid in cash at Fair Market Value of such
fraction of a Share or will be rounded down to the nearest whole Share, as
determined by the Committee and provided, further, that the Exercise Price of
any Option may not be decreased to below the par value of the Shares.

     3.   ELIGIBILITY. ISOs (as defined in Section 5 hereof) may be granted only
          -----------
to employees (including officers and directors who are also employees) of the
Company or of a Parent or Subsidiary of the Company. NQSOs (as defined in
Section 5 hereto) and Restricted Stock Awards may be granted to employees,
officers, directors and consultants of the Company or any Parent or Subsidiary
of the Company; provided such consultants render bona fide services not in
connection with the offer and sale of securities in a capital-raising
transaction. A person may be granted more than one Award under this Plan.

     4.   ADMINISTRATION.
          --------------

          4.1  Committee Authority.  This Plan will be administered by the
               -------------------
Committee or the Board acting as the Committee.  Subject to the general
purposes, terms and conditions of this Plan, and to the direction of the Board,
the Committee will have full power to implement and carry out this Plan.
Without limitation, the Committee will have the authority to:

          (a)  construe and interpret this Plan, any Award Agreement and any
               other agreement or document executed pursuant to this Plan;
<PAGE>

          (b)  prescribe, amend and rescind rules and regulations relating to
               this Plan;

          (c)  select persons to receive Awards;

          (d)  determine the form and terms of Awards;

          (e)  determine the number of Shares or other consideration subject to
               Awards;

          (f)  determine whether Awards will be granted singly, in combination
               with, in tandem with, in replacement of, or as alternatives to,
               other Awards under this Plan or awards under any other incentive
               or compensation plan of the Company or any Parent or Subsidiary
               of the Company;

          (g)  grant waivers of Plan or Award conditions;

          (h)  determine the vesting, exercisability and payment of Awards;

          (i)  correct any defect, supply any omission, or reconcile any
               inconsistency in this Plan, any Award, any Award Agreement, any
               Exercise Agreement or any Restricted Stock Purchase Agreement;

          (j)  determine whether an Award has been earned; and

          (k)  make all other determinations necessary or advisable for the
               administration of this Plan.

          4.2  Committee Discretion.  Any determination made by the Committee
               --------------------
with respect to any Award will be made in its sole discretion at the time of
grant of the Award or, unless in contravention of any express term of this Plan
or Award, and subject to Section 5.9 hereof, at any later time, and such
determination will be final and binding on the Company and on all persons having
an interest in any Award under this Plan.  The Committee may delegate to one or
more officers of the Company the authority to grant an Award under this Plan,
provided such officers are members of the Board.

     5.   OPTIONS.  The Committee may grant Options to eligible persons and will
          -------
determine whether such Options will be Incentive Stock Options within the
meaning of the Code ("ISOs") or Nonqualified Stock Options ("NQSOs"), the number
of Shares subject to the Option, the Exercise Price of the Option, the period
during which the Option may be exercised, and all other terms and conditions of
the Option, subject to the following:

          5.1  Form of Option Grant.  Each Option granted under this Plan will
               --------------------
be evidenced by an Award Agreement which will expressly identify the Option as
an ISO or an NQSO ("Stock Option Agreement"), and will be in such form and
contain such provisions (which need not be the same for each Participant) as the
Committee may from time to time approve, and which will comply with and be
subject to the terms and conditions of this Plan.

          5.2  Date of Grant.  The date of grant of an Option will be the date
               -------------
on which the Committee makes the determination to grant such Option, unless
otherwise specified by the Committee.  The Stock Option Agreement and a copy of
this Plan will be delivered to the Participant within a reasonable time after
the granting of the Option.

          5.3  Exercise Period.  Options may be exercisable immediately (subject
               ---------------
to repurchase pursuant to Section 11 hereof) or may be exercisable within the
times or upon the events determined by the Committee as set forth in the Stock
Option Agreement governing such Option; provided, however, that no Option will
be exercisable after the expiration of ten (10) years from the date the Option
is granted; and provided further that no ISO granted to a person who directly or
by attribution owns more than ten percent (10%) of the total combined voting
power of all classes of stock of the Company or of any Parent or Subsidiary of
the Company ("Ten Percent Stockholder") will be exercisable after the expiration
of five (5) years from the date the ISO is granted.  The Committee also may
provide for Options to become exercisable at one time or from time to time,
periodically

                                       2
<PAGE>

or otherwise, in such number of Shares or percentage of Shares as the Committee
determines. Subject to earlier termination of the Option as provided herein,
each Participant who is not an officer, director or consultant of the Company or
of a Parent or Subsidiary of the Company shall have the right to exercise an
Option granted hereunder at the rate of at least twenty percent (20%) per year
over five (5) years from the date such Option is granted.

          5.4  Exercise Price.  The Exercise Price of an Option will be
               --------------
determined by the Committee when the Option is granted and may not be less than
eighty-five percent (85%) of the Fair Market Value of the Shares on the date of
grant; provided that (a) the Exercise Price of an ISO will not be less than one
hundred percent (100%) of the Fair Market Value of the Shares on the date of
grant and (b) the Exercise Price of any Option granted to a Ten Percent
Stockholder will not be less than one hundred ten percent (110%) of the Fair
Market Value of the Shares on the date of grant.  Payment for the Shares
purchased must be made in accordance with Section 7 hereof.

          5.5  Method of Exercise.  Options may be exercised only by delivery to
               ------------------
the Company of a written stock option exercise agreement (the "Exercise
Agreement") in a form approved by the Committee (which need not be the same for
each Participant), stating the number of Shares being purchased, the
restrictions imposed on the Shares purchased under such Exercise Agreement, if
any, and such representations and agreements regarding Participant's investment
intent and access to information and other matters, if any, as may be required
or desirable by the Company to comply with applicable securities laws, together
with payment in full of the Exercise Price, and any applicable taxes, for the
number of Shares being purchased.

          5.6  Termination.  Subject to earlier termination pursuant to Sections
               -----------
17 and 18 hereof and notwithstanding the exercise periods set forth in the Stock
Option Agreement, exercise of an Option will always be subject to the following:

          (a)  If the Participant is Terminated for any reason except death,
               Disability or for Cause, then the Participant may exercise such
               Participant's Options only to the extent that such Options are
               exercisable upon the Termination Date and such Options must be
               exercised by the Participant, if at all, as to all  or some of
               the Vested Shares calculated as of the Termination Date, within
               three (3) months after the Termination Date (or within such
               shorter time period, not less than thirty (30) days, or within
               such longer time period, not exceeding five (5) years, after the
               Termination Date as may be determined by the Committee, with any
               exercise beyond three (3) months after the Termination Date
               deemed to be an NQSO) but in any event, no later than the
               expiration date of the Options.

          (b)  If the Participant is Terminated because of Participant's death
               or Disability (or the Participant dies within three (3) months
               after a Termination other than for Cause), then Participant's
               Options may be exercised only to the extent that such Options are
               exercisable by Participant on the Termination Date and must be
               exercised by Participant (or Participant's legal representative
               or authorized assignee), if at all, as to all or some of the
               Vested Shares calculated as of the Termination Date, within
               twelve (12) months after the Termination Date (or within such
               shorter time period, not less than six (6) months, or within such
               longer time period, not exceeding five (5) years, after the
               Termination Date as may be determined by the Committee, with any
               exercise beyond (i) three (3) months after the Termination Date
               when the Termination is for any reason other than the
               Participant's death or disability, within the meaning of Section
               22(e)(3) of the Code, or (ii) twelve (12) months after the
               Termination Date when the Termination is for Participant's
               disability, within the meaning of Section 22(e)(3) of the Code,
               deemed to be an NQSO) but in any event no later than the
               expiration date of the Options.

          (c)  If the Participant is terminated for Cause, then Participant's
               Options shall expire on such Participant's Termination Date, or
               at such later time and on such conditions as are determined by
               the Committee.

                                       3
<PAGE>

          5.7  Limitations on Exercise.  The Committee may specify a reasonable
               -----------------------
minimum number of Shares that may be purchased on any exercise of an Option,
provided that such minimum number will not prevent Participant from exercising
the Option for the full number of Shares for which it is then exercisable.

          5.8  Limitations on ISOs.  The aggregate Fair Market Value (determined
               -------------------
as of the date of grant) of Shares with respect to which ISOs are exercisable
for the first time by a Participant during any calendar year (under this Plan or
under any other incentive stock option plan of the Company or any Parent or
Subsidiary of the Company) will not exceed $100,000.  If the Fair Market Value
of Shares on the date of grant with respect to which ISOs are exercisable for
the first time by a Participant during any calendar year exceeds $100,000, then
the Options for the first $100,000 worth of Shares to become exercisable in such
calendar year will be ISOs and the Options for the amount in excess of $100,000
that become exercisable in that calendar year will be NQSOs.  In the event that
the Code or the regulations promulgated thereunder are amended after the
Effective Date (as defined in Section 18 hereof) to provide for a different
limit on the Fair Market Value of Shares permitted to be subject to ISOs, then
such different limit will be automatically incorporated herein and will apply to
any Options granted after the effective date of such amendment.

          5.9  Modification, Extension or Removal.  The Committee may modify,
               ----------------------------------
extend or renew outstanding Options and authorize the grant of new Options in
substitution therefor, provided that any such action may not, without the
written consent of a Participant, impair any of such Participant's rights under
any Option previously granted.  Any outstanding ISO that is modified, extended,
renewed or otherwise altered will be treated in accordance with Section 424(h)
of the Code.  Subject to Section 5.10 hereof, the Committee may reduce the
Exercise Price of outstanding Options without the consent of Participants
affected by a written notice to them; provided, however, that the Exercise Price
may not be reduced below the minimum Exercise Price that would be permitted
under Section 5.4 hereof for Options granted on the date the action is taken to
reduce the Exercise Price; and provided, further, that the Exercise Price will
not be reduced below the par value of the Shares, if any.

          5.10 No Disqualification.  Notwithstanding any other provision in
               -------------------
this Plan, no term of this Plan relating to ISOs will be interpreted, amended or
altered, nor will any discretion or authority granted under this Plan be
exercised, so as to disqualify this Plan under Section 422 of the Code or,
without the consent of the Participant or Participants affected, to disqualify
any ISO under Section 422 of the Code.

     6.   RESTRICTED STOCK.  A Restricted Stock Award is an offer by the Company
          ----------------
to sell to an eligible person Shares that are subject to restrictions.  The
Committee will determine to whom an offer will be made, the number of Shares the
person may purchase, the Purchase Price, the restrictions to which the Shares
will be subject, and all other terms and conditions of the Restricted Stock
Award, subject to the following:

          6.1  Form of Restricted Stock Award.  All purchases under a Restricted
               ------------------------------
Stock Award made pursuant to this Plan will be evidenced by an Award Agreement
("Restricted Stock Purchase Agreement") that will be in such form (which need
not be the same for each Participant) as the Committee will from time to time
approve, and will comply with and be subject to the terms and conditions of this
Plan.  The Restricted Stock Award will be accepted by the Participant's
execution and delivery of the Restricted Stock Purchase Agreement and full
payment for the Shares to the Company within thirty (30) days from the date the
Restricted Stock Purchase Agreement is delivered to the person.  If such person
does not execute and deliver the Restricted Stock Purchase Agreement along with
full payment for the Shares to the Company within such thirty (30) days , then
the offer will terminate, unless otherwise determined by the Committee.

          6.2  Purchase Price.  The Purchase Price of Shares sold pursuant to a
               --------------
Restricted Stock Award will be determined by the Committee and will be at least
eighty-five percent (85%) of the Fair Market Value of the Shares on the date the
Restricted Stock Award is granted or at the time the purchase is consummated,
except in the case of a sale to a Ten Percent Stockholder, in which case the
Purchase Price will be one hundred percent (100%) of the Fair Market Value on
the date the Restricted Stock Award is granted or at the time the purchase is
consummated.  Payment of the Purchase Price must be made in accordance with
Section 7 hereof.

                                       4
<PAGE>

          6.3  Restrictions.  Restricted Stock Awards may be subject to the
               ------------
restrictions set forth in Section 11 hereof or such other restrictions not
inconsistent with Section 25102(o) of the California Corporations Code.

                                       5
<PAGE>

     7.   PAYMENT FOR SHARE PURCHASES.
          ---------------------------

          7.1  Payment.  Payment for Shares purchased pursuant to this Plan may
               -------
be made in cash (by check) or, where expressly approved for the Participant by
the Committee and where permitted by law:

          (a)  by cancellation of indebtedness of the Company to the
               Participant;

          (b)  by surrender of shares that:  (i) either (A) have been owned by
               Participant for more than six (6) months and have been paid for
               within the meaning of SEC Rule 144 (and, if such shares were
               purchased from the Company by use of a promissory note, such note
               has been fully paid with respect to such shares) or (B) were
               obtained by Participant in the public market and (ii) are clear
               of all liens, claims, encumbrances or security interests.

          (c)  by tender of a full recourse promissory note having such terms as
               may be approved by the Committee and bearing interest at a rate
               sufficient to avoid imputation of income under Sections 483 and
               1274 of the Code; provided, however, that Participants who are
               not employees or directors of the Company will not be entitled to
               purchase Shares with a promissory note unless the note is
               adequately secured by collateral other than the Shares;
               provided, further, that the portion of the Exercise Price or
               Purchase Price, as the case may be, equal to the par value of the
               Shares must be paid in cash or other legal consideration
               permitted by Delaware General Corporation Law.

          (d)  by waiver of compensation due or accrued to the Participant for
               services rendered;

          (e)  with respect only to purchases upon exercise of an Option, and
               provided that a public market for the Company's stock exists:

               (1)  through a "same day sale" commitment from the Participant
                    and a broker-dealer that is a member of the National
                    Association of Securities Dealers (an "NASD Dealer") whereby
                    the Participant irrevocably elects to exercise the Option
                    and to sell a portion of the Shares so purchased to pay for
                    the Exercise Price, and whereby the NASD Dealer irrevocably
                    commits upon receipt of such Shares to forward the Exercise
                    Price directly to the Company; or

               (2)  through a "margin" commitment from the Participant and an
                    NASD Dealer whereby the Participant irrevocably elects to
                    exercise the Option and to pledge the Shares so purchased to
                    the NASD Dealer in a margin account as security for a loan
                    from the NASD Dealer in the amount of the Exercise Price,
                    and whereby the NASD Dealer irrevocably commits upon receipt
                    of such Shares to forward the Exercise Price directly to the
                    Company; or

          (f)  by any combination of the foregoing.

          7.2  Loan Guarantees.  The Committee may help the Participant pay for
               ---------------
Shares purchased under this Plan by authorizing a guarantee by the Company of a
third-party loan to the Participant.

     8.   WITHHOLDING TAXES.
          -----------------

          8.1  Withholding Generally.  Whenever Shares are to be issued in
               ---------------------
satisfaction of Awards granted under this Plan, the Company may require the
Participant to remit to the Company an amount sufficient to satisfy federal,
state and local withholding tax requirements prior to the delivery of any
certificate or certificates for such Shares.  Whenever, under this Plan,
payments in satisfaction of Awards are to be made in cash, such payment will be
net of an amount sufficient to satisfy federal, state, and local withholding tax
requirements.

          8.2  Stock Withholding.  When, under applicable tax laws, a
               -----------------
Participant incurs tax liability in connection with the exercise or vesting of
any Award that is subject to tax withholding and the Participant is

                                       6
<PAGE>

obligated to pay the Company the amount required to be withheld, the Committee
may in its sole discretion allow the Participant to satisfy the minimum
withholding tax obligation by electing to have the Company withhold from the
Shares to be issued that number of Shares having a Fair Market Value equal to
the minimum amount required to be withheld, determined on the date that the
amount of tax to be withheld is to be determined. All elections by a Participant
to have Shares withheld for this purpose will be made in accordance with the
requirements established by the Committee for such elections and be in writing
in a form acceptable to the Committee.

     9.   PRIVILEGES OF STOCK OWNERSHIP.
          -----------------------------

          9.1  Voting and Dividends.  No Participant will have any of the rights
               --------------------
of a stockholder with respect to any Shares until the Shares are issued to the
Participant.  After Shares are issued to the Participant, the Participant will
be a stockholder and have all the rights of a stockholder with respect to such
Shares, including the right to vote and receive all dividends or other
distributions made or paid with respect to such Shares; provided, that if such
Shares are Restricted Stock, then any new, additional or different securities
the Participant may become entitled to receive with respect to such Shares by
virtue of a stock dividend, stock split or any other change in the corporate or
capital structure of the Company will be subject to the same restrictions as the
Restricted Stock; provided, further, that the Participant will have no right to
retain such stock dividends or stock distributions with respect to Unvested
Shares that are repurchased pursuant to Section 11 hereof.  The Company will
comply with Section 260.140.1 of Title 10 of the California Code of Regulations
with respect to the voting rights of Common Stock.

          9.2  Financial Statements.  The Company will provide financial
               --------------------
statements to each Participant at Participant's request prior to such
Participant's purchase of Shares under this Plan, and, at Participant's request,
to each Participant annually during the period such Participant has Awards
outstanding, or as otherwise required under Section 260.140.46 of Title 10 of
the California Code of Regulations.  Notwithstanding the foregoing, the Company
will not be required to provide such financial statements to Participants when
issuance is limited to key employees whose services in connection with the
Company assure them access to equivalent information.

     10.  TRANSFERABILITY.  Awards granted under this Plan, and any interest
          ---------------
therein, will not be transferable or assignable by Participant, and may not be
made subject to execution, attachment or similar process, otherwise than by will
or by the laws of descent and distribution.  During the lifetime of the
Participant an Award will be exercisable only by the Participant or
Participant's legal representative and any elections with respect to an Award,
may be made only by the Participant or Participant's legal representative.

     11.  RESTRICTIONS OF SHARES.
          ----------------------

          11.1  Right of First Refusal.  At the discretion of the Committee, the
                ----------------------
Company may reserve to itself and/or its assignee(s) in the Award Agreement a
right of first refusal to purchase all Shares that a Participant (or a
subsequent transferee) may propose to transfer to a third party, unless
otherwise not permitted by Section 25102(o) of the California Corporations Code,
provided, that such right of first refusal terminates upon the Company's initial
public offering of Common Stock pursuant to an effective registration statement
filed under the Securities Act.

          11.2  Right of Repurchase.  At the discretion of the Committee, the
                -------------------
Company may reserve to itself and/or its assignee(s) in the Award Agreement a
right to repurchase Unvested Shares held by a Participant for cash and/or
cancellation of purchase money indebtedness following such Participant's
Termination at any time within the later of ninety (90) days after the
Participant's Termination Date and the date the Participant purchases Shares
under the Plan at the Participant's Exercise Price or Purchase Price, as the
case may be, provided, that unless the Participant is an officer, director or
consultant of the Company or of a Parent or Subsidiary of the Company, such
right of repurchase lapses at the rate of at least twenty percent (20%) per year
over five (5) years from:  (a) the date of grant of the Option or (b) in the
case of Restricted Stock, the date the Participant purchases the Shares.

     12.  CERTIFICATES.  All certificates for Shares or other securities
          ------------
delivered under this Plan will be subject to such stock transfer orders, legends
and other restrictions as the Committee may deem necessary or advisable,
including restrictions under any applicable federal, state or foreign securities
law, or any rules,

                                       7
<PAGE>

regulations and other requirements of the SEC or any stock exchange or automated
quotation system upon which the Shares may be listed or quoted.

     13.  ESCROW; PLEDGE OF SHARES.  To enforce any restrictions on a
          ------------------------
Participant's Shares, the Committee may require the Participant to deposit all
certificates representing Shares, together with stock powers or other
instruments of transfer approved by the Committee, appropriately endorsed in
blank, with the Company or an agent designated by the Company to hold in escrow
until such restrictions have lapsed or terminated, and the Committee may cause a
legend or legends referencing such restrictions to be placed on the
certificates.  Any Participant who is permitted to execute a promissory note as
partial or full consideration for the purchase of Shares under this Plan will be
required to pledge and deposit with the Company all or part of the Shares so
purchased as collateral to secure the payment of Participant's obligation to the
Company under the promissory note; provided, however, that the Committee may
require or accept other or additional forms of collateral to secure the payment
of such obligation and, in any event, the Company will have full recourse
against the Participant under the promissory note notwithstanding any pledge of
the Participant's Shares or other collateral.  In connection with any pledge of
the Shares, Participant will be required to execute and deliver a written pledge
agreement in such form as the Committee will from time to time approve.  The
Shares purchased with the promissory note may be released from the pledge on a
pro rata basis as the promissory note is paid.

     14.  EXCHANGE AND BUYOUT OF AWARDS.  The Committee may, at any time or from
          -----------------------------
time to time, authorize the Company, with the consent of the respective
Participants, to issue new Awards in exchange for the surrender and cancellation
of any or all outstanding Awards.  The Committee may at any time buy from a
Participant an Award previously granted with payment in cash, shares of Common
Stock of the Company (including Restricted Stock) or other consideration, based
on such terms and conditions as the Committee and the Participant may agree.

     15.  SECURITIES LAW AND OTHER REGULATORY COMPLIANCE.  This Plan is intended
          ----------------------------------------------
to comply with Section 25102(o) of the California Corporations Code.  Any
provision of this Plan which is inconsistent with Section 25102(o) shall,
without further act or amendment by the Company or the Board, be reformed to
comply with the requirements of Section 25102(o).  An Award will not be
effective unless such Award is in compliance with all applicable federal and
state securities laws, rules and regulations of any governmental body, and the
requirements of any stock exchange or automated quotation system upon which the
Shares may then be listed or quoted, as they are in effect on the date of grant
of the Award and also on the date of exercise or other issuance.
Notwithstanding any other provision in this Plan, the Company will have no
obligation to issue or deliver certificates for Shares under this Plan prior to
(a) obtaining any approvals from governmental agencies that the Company
determines are necessary or advisable, and/or (b) compliance with any exemption,
completion of any registration or other qualification of such Shares under any
state or federal law or ruling of any governmental body that the Company
determines to be necessary or advisable.  The Company will be under no
obligation to register the Shares with the SEC or to effect compliance with the
exemption, registration, qualification or listing requirements of any state
securities laws, stock exchange or automated quotation system, and the Company
will have no liability for any inability or failure to do so.

     16.  NO OBLIGATION TO EMPLOY.  Nothing in this Plan or any Award granted
          -----------------------
under this Plan will confer or be deemed to confer on any Participant any right
to continue in the employ of, or to continue any other relationship with, the
Company or any Parent or Subsidiary of the Company or limit in any way the right
of the Company or any Parent or Subsidiary of the Company to terminate
Participant's employment or other relationship at any time, with or without
Cause.

     17.  CORPORATE TRANSACTIONS.
          ----------------------

          17.1  Assumption or Replacement of Awards by Successor or Acquiring
                -------------------------------------------------------------
Corporation.  In the event of (a) a dissolution or liquidation of the Company,
-----------
(b) a merger or consolidation in which the Company is not the surviving
corporation (other than a merger or consolidation with a wholly-owned
subsidiary, a reincorporation of the Company in a different jurisdiction, or
other transaction in which there is no substantial change in the stockholders of
the Company or their relative stock holdings and the Awards granted under this
Plan are assumed, converted or replaced by the successor or acquiring
corporation, which assumption, conversion or replacement will

                                       8
<PAGE>

be binding on all Participants), (c) a merger in which the Company is the
surviving corporation but after which the stockholders of the Company
immediately prior to such merger (other than any stockholder which merges with
the Company in such merger, or which owns or controls another corporation which
merges, with the Company in such merger) cease to own their shares or other
equity interests in the Company, or (d) the sale of all or substantially all of
the assets of the Company, any or all outstanding Awards may be assumed,
converted or replaced by the successor or acquiring corporation (if any), which
assumption, conversion or replacement will be binding on all Participants. In
the alternative, the successor or acquiring corporation may substitute
equivalent Awards or provide substantially similar consideration to Participants
as was provided to stockholders (after taking into account the existing
provisions of the Awards). The successor or acquiring corporation may also
issue, in place of outstanding Shares of the Company held by the Participant,
substantially similar shares or other property subject to repurchase
restrictions and other provisions no less favorable to the Participant than
those which applied to such outstanding Shares immediately prior to such
transaction described in this Section 17.1. Notwithstanding the foregoing, in
the event that a Participant is terminated by the Company or a Parent or
Subsidiary of the Company for any reason except Cause within six months of the
consummation of a transaction described in this Section 17.1 pursuant to which
outstanding Awards are assumed or substituted as provided above, the vesting of
such Participant's Options shall accelerate such that 50% of the Unvested Shares
on the date of such Participant's Termination shall become Vested Shares. In the
event such successor or acquiring corporation (if any) refuses to assume or
substitute Awards, as provided above, pursuant to a transaction described in
this Section 17.1, then notwithstanding any other provision in this Plan to the
contrary, the vesting of such Awards will accelerate and the Options will become
exercisable in full prior to the consummation of such event at such times and on
such conditions as the Committee determines, and if such Options are not
exercised prior to the consummation of the corporate transaction, they shall
terminate in accordance with the provisions of this Plan.

          17.2  Other Treatment of Awards.  Subject to any greater rights
                -------------------------
granted to Participants under the foregoing provisions of this Section 17, in
the event of the occurrence of any transaction described in Section 17.1 hereof,
any outstanding Awards will be treated as provided in the applicable agreement
or plan of merger, consolidation, dissolution, liquidation or sale of assets.

          17.3  Assumption of Awards by the Company.  The Company, from time to
                -----------------------------------
time, also may substitute or assume outstanding awards granted by another
company, whether in connection with an acquisition of such other company or
otherwise, by either (a) granting an Award under this Plan in substitution of
such other company's award or (b) assuming such award as if it had been granted
under this Plan if the terms of such assumed award could be applied to an Award
granted under this Plan. Such substitution or assumption will be permissible if
the holder of the substituted or assumed award would have been eligible to be
granted an Award under this Plan if the other company had applied the rules of
this Plan to such grant. In the event the Company assumes an award granted by
another company, the terms and conditions of such award will remain unchanged
(except that the exercise price and the number and nature of shares issuable
upon exercise of any such option will be adjusted appropriately pursuant to
Section 424(a) of the Code). In the event the Company elects to grant a new
Option rather than assuming an existing option, such new Option may be granted
with a similarly adjusted Exercise Price.

     18.  ADOPTION AND STOCKHOLDER APPROVAL.  This Plan will become effective on
          ---------------------------------
the date that it is adopted by the Board (the "Effective Date"). This Plan will
be approved by the stockholders of the Company (excluding Shares issued pursuant
to this Plan), consistent with applicable laws, within twelve (12) months before
or after the Effective Date. Upon the effective Date, the Board may grant Awards
pursuant to this Plan; provided, however, that: (a) no Option may be exercised
prior to initial stockholder approval of this Plan; (b) no Option granted
pursuant to an increase in the number of Shares approved by the Board shall be
exercised prior to the time such increase has been approved by the stockholders
of the Company; (c) in the event that initial stockholder approval is not
obtained within the time period provided herein, all Awards granted hereunder
shall be canceled, any Shares issued pursuant to any Award shall be canceled and
any purchase of Shares issued hereunder shall be rescinded; and (d) Awards
granted pursuant to an increase in the number of Shares approved by the Board
which increase is not timely approved by stockholders shall be canceled, any
Shares issued pursuant to any such Awards shall be canceled, and any purchase of
Shares subject to any such Award shall be rescinded. In the event that initial
stockholder approval is not obtained within twelve (12) months before or after
the date this Plan is

                                       9
<PAGE>

adopted by the Board, all Awards granted hereunder will be canceled, any Shares
issued pursuant to any Award will be canceled and any purchase of Shares
hereunder will be rescinded.

     19.  TERM OF PLAN/GOVERNING LAW.  Unless earlier terminated as provided
          --------------------------
herein, this Plan will terminate ten (10) years from the Effective Date or, if
earlier, the date of stockholder approval.  This Plan and all agreements
hereunder shall be governed by and construed in accordance with the laws of the
State of California.

     20.  AMENDMENT OR TERMINATION OF PLAN.  Subject to Section 5.9 hereof, the
          ---------------------------------
Board may at any time terminate or amend this Plan in any respect, including
without limitation amendment of any form of Award Agreement or instrument to be
executed pursuant to this Plan; provided, however, that the Board will not,
without the approval of the stockholders of the Company, amend this Plan in any
manner that requires such stockholder approval pursuant to Section 25102(o) of
the California Corporations Code or the Code or the regulations promulgated
thereunder as such provisions apply to ISO plans.

     21.  NONEXCLUSIVITY OF THE PLAN.  Neither the adoption of this Plan by the
          --------------------------
Board, the submission of this Plan to the stockholders of the Company for
approval, nor any provision of this Plan will be construed as creating any
limitations on the power of the Board to adopt such additional compensation
arrangements as it may deem desirable, including, without limitation, the
granting of stock options and other equity awards otherwise than under this
Plan, and such arrangements may be either generally applicable or applicable
only in specific cases.

     22.  DEFINITIONS.  As used in this Plan, the following terms will have the
          -----------
following meanings:

          "Award" means any award under this Plan, including any Option or
Restricted Stock Award.

          "Award Agreement" means, with respect to each Award, the signed
written agreement between the Company and the Participant setting forth the
terms and conditions of the Award.

          "Board" means the Board of Directors of the Company.

          "Cause" means Termination because of (i) any willful material
violation by the Participant of any law or regulation applicable to the business
of the Company or a Parent or Subsidiary of the Company, the Participant's
conviction for, or guilty plea to, a felony or a crime involving moral
turpitude, any willful perpetration by the Participant of a common law fraud,
(ii) the Participant's commission of an act of personal dishonesty which
involves personal profit in connection with the Company or any other entity
having a business relationship with the Company, (iii) any material breach by
the Participant of any provision of any agreement or understanding between the
Company or any Parent or Subsidiary of the Company and the Participant regarding
the terms of the Participant's service as an employee, director or consultant to
the Company or a Parent or Subsidiary of the Company, including without
limitation, the willful and continued failure or refusal of the Participant to
perform the material duties required of such Participant as an employee,
director or consultant of the Company or a Parent or Subsidiary of the Company,
other than as a result of having a Disability, or a breach of any applicable
invention assignment and confidentiality agreement or similar agreement between
the Company and the Participant, (iv) Participant's disregard of the policies of
the Company or any Parent or Subsidiary of the Company so as to cause loss,
damage or injury to the property, reputation or employees of the Company or a
Parent or Subsidiary of the Company, or (v) any other misconduct by the
Participant which is materially injurious to the financial condition or business
reputation of, or is otherwise materially injurious to, the Company or a Parent
or Subsidiary of the Company.

          "Code" means the Internal Revenue Code of 1986, as amended.

          "Committee" means the committee appointed by the Board to administer
this Plan, or if no committee is appointed, the Board.

          "Company" means Netweb Corporation or any successor corporation.

                                       10
<PAGE>

          "Disability" means a disability, whether temporary or permanent,
partial or total, as determined by the Committee.

          "Exercise Price" means the price at which a holder of an Option may
purchase the Shares issuable upon exercise of the Option.

          "Fair Market Value" means, as of any date, the value of a share of the
Company's Common Stock determined as follows:

          (a)  if such Common Stock is then quoted on the Nasdaq National
               Market, its closing price on the Nasdaq National Market on the
               date of determination as reported in The Wall Street Journal;
                                                    -----------------------

          (b)  if such Common Stock is publicly traded and is then listed on a
               national securities exchange, its closing price on the date of
               determination on the principal national securities exchange on
               which the Common Stock is listed or admitted to trading as
               reported in The Wall Street Journal;
                           -----------------------

          (c)  if such Common Stock is publicly traded but is not quoted on the
               Nasdaq National Market nor listed or admitted to trading on a
               national securities exchange, the average of the closing bid and
               asked prices on the date of determination as reported by The Wall
                                                                        --------
               Street Journal (or, if not so reported, as otherwise reported by
               --------------
               any newspaper or other source as the Board may determine); or

          (d)  if none of the foregoing is applicable, by the Committee in good
               faith.

          "Option" means an award of an option to purchase Shares pursuant to
Section 5 hereof.

          "Parent" means any corporation (other than the Company) in an unbroken
chain of corporations ending with the Company if each of such corporations other
than the Company owns stock possessing fifty percent (50%) or more of the total
combined voting power of all classes of stock in one of the other corporations
in such chain

          "Participant" means a person who receives an Award under this Plan

          "Plan" means this Netweb Corporation 1998 Equity Incentive Plan, as
amended from time to time.

          "Purchase Price" means the price at which a Participant may purchase
Restricted Stock

          "Restricted Stock" means Shares purchased pursuant to a Restricted
Stock Award.

          "Restricted Stock Award" means an award of Shares pursuant to Section
6 hereof.

          "SEC" means the Securities and Exchange Commission.

          "Securities Act" means the Securities Act of 1933, as amended.

          "Shares" means shares of the Company's Common Stock, $0.0001 par
value, reserved for issuance under this Plan, as adjusted pursuant to Sections 2
and 17 hereof, and any successor security.

          "Subsidiary" means any corporation (other than the Company) in an
unbroken chain of corporations beginning with the Company if each of the
corporations other than the last corporation in the unbroken chain owns stock
possessing fifty percent (50%) or more of the total combined voting power of all
classes of stock in one of the other corporations in such chain.

                                       11
<PAGE>

          "Termination" or "Terminated" means, for purposes of this Plan with
respect to a Participant, that the Participant has for any reason ceased to
provide services as an employee, officer, director or consultant to the Company
or a Parent or Subsidiary of the Company.  A Participant will not be deemed to
have ceased to provide services in the case of (i) sick leave, (ii) military
leave, or (iii) any other leave of absence approved by the Committee, provided
that such leave is for a period of not more than ninety (90) days unless
reinstatement (or, in the case of an employee with an ISO, reemployment) upon
the expiration of such leave is guaranteed by contract or statute, or unless
provided otherwise pursuant to formal policy adopted from time to time by the
Company and issued and promulgated in writing.  In the case of any Participant
on (i) sick leave, (ii) military leave or (iii) an approved leave of absence,
the Committee may make such provisions respecting suspension of vesting of the
Award while on leave from the Company or a Parent or Subsidiary of the Company
as it may deem appropriate, except that in no event may an Option be exercised
after the expiration of the term set forth in the Stock Option Agreement.  The
Committee will have sole discretion to determine whether a Participant has
ceased to provide services and the effective date on which the Participant
ceased to provide services (the "Termination Date").

          "Unvested Shares" means "Unvested Shares" as defined in the Award
Agreement.

          "Vested Shares" means "Vested Shares" as defined in the Award
Agreement.

                                       12

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