Document:

<PAGE>

                                           ***Text Omitted and Filed Separately
                                               Confidential Treatment Requested
                                         Under 17 C.F.R. Sections 200.80(b)(4),
                                                             200.83 and 230.406

This Contract No. WM001 is entered into as of September 8, 1999, by and
between Cayenta.com Corporation (hereinafter referred to as Cayenta or
Contractor) and Waste Management, Inc. (hereinafter referred to as Customer).

ARTICLE I - SCHEDULE

A.   STATEMENT OF WORK. Cayenta shall provide, on a fixed price basis, the
     necessarypersonnel, and services as required by the Contractor to complete
     the tasks contained in the attached Statement of Work (SOW).

B.   PERIOD OF PERFORMANCE. The period of performance under this Contract shall
     commence on September 1, 1999 and expire on November 30,1999.

ARTICLE II - CONSIDERATION

A.   Consideration. In consideration of the work to be performed under the
     Statement of Work, Cayenta shall be paid [...***...] plus expenses. A
     [...***...] deposit will be paid to Cayenta upon the execution of the
     contract.

B.   INVOICING. An original and one copy of each invoice shall be submitted
     every two weeks to the customer in the amount of [...***...], plus
     expenses.

C.   PAYMENT. Payment shall be net 15 days from submission of the invoice.

D.   REIMBURSEMENT FOR PER DIEM AND OTHER EXPENSES. Cayenta shall be reimbursed
     for reasonable and allowable per them and other expenses incurred in the
     performance of this effort. Per diems and other expenses will be included
     on each invoice submitted and are estimated at [...***...] of total labor
     costs.

ARTICLE III - CONTENTS OF CONTRACT

The provisions of the following attached articles and documents are made a part
of this Contract:

1.   Attachment A. Statement of Work

2.   Attachment B. General Provisi ons

                     *CONFIDENTIAL TREATMENT REQUESTED

<PAGE>

ARTICLE IV - TERMINATION OF CONTRACT FOR CONVENIENCE

Customer may, for any reason, at any time or for its convenience, terminate
this Contract and performance thereunder in whole, or, in part, by written
notice of termination issued to Cayenta, which notice shall state the extent
to which such performance shall be terminated and the date upon which such
termination shall become effective. Cayenta shall be paid for all work that
was authorized by Customer prior to the date of termination. Provisions 5, 6,
7, 8, 9, 10, 11, 13 and 18 shall survive any termination of this Contract.

ARTICLE V - TERMINATION OF CONTRACT FOR DEFAULT

Should Customer breach at any time, any of the clauses contained herein,
Cayenta reserves the right to terminate the Contract for default by written
notice of termination issued by Cayenta. Such notice shall state the extent
to which such performance shall be terminated and the date upon which such
termination shall become effective. Cayenta shall be paid for all work that
was authorized by Customer prior to the date of termination. Provisions 5, 6,
7, 8, 9, 10, 11, 13 and 18 shall survive any termination of this Contract.

<PAGE>

                            SIGNATURE PAGE

BOTH PARTIES hereto warrant and represent that they have full right, power
and authority to execute this Contract.

IN WITNESS WHEREOF, the parties hereto have executed this agreement as of the
day and year first above written.

WASTE MANAGEMENT, INC.                      THE TITAN CORPORATION
                                            CAYENTA.COM

-------------------------------             -------------------------------
SIGNATURE                                   SIGNATURE

MIKE PATTON, VICE PRESIDENT IS              DAVID PORRECA, CEO
-------------------------------             -------------------------------
NAME AND TITLE                              NAME AND TITLE

SEPTEMBER 8,1999                            SEPTEMBER 8,1999
-------------------------------             -------------------------------
DATE                                        DATE

<PAGE>

                               ATTACHMENT A

                             Statement of Work

Cayenta shall provide the necessary personnel, services, materials, equipment
and facilities necessary for the successful accomplishment of this Contract
as follows:

Assist in:

    A. Creation of near-term fixes of the billing process.

    B. Developing an IT System strategy, architecture and implementation plan.

    C. Creation of high-payoff, near-term fixes of the monthly accounting
       close process.

    D. Creation of high-payoff, near-term fixes of the accounting for the
       intercompany transaction process.

Deliver:

    A. Deployment and operational support for near-term fixes of the billing
       process.

    B. Executable IT System strategy, architecture and implementation plan.

    C. Deployment of near-term fixes of the monthly accounting close process.

    D. Deployment of near-term fixes of the accounting for the intercompany
       transaction process.

<PAGE>

                                ATTACHMENT B

                             General Provisions

1.     PAYMENT FOR SERVICES
       (a)  Customer agrees to pay Cayenta in accordance with the
            terms set forth in Article II. Cayenta shall submit an
            itemized invoice for the services rendered and authorized
            expenses incurred. Invoices shall be payable within thirty
            (15) days of submission.

       (b)  Customer may, upon notice to Cayenta, withhold payment for
            work that is not accepted pursuant to the Statement of
            Work and/or reasonably question any item(s) reflected on
            Cayenta's invoice. Pending the settlement or resolution of
            the issues(s) that cause the non-payment by Customer under
            this provision, the said non-payment shall not constitute
            a default of this Contract. It is understood that Customer
            shall pay all amounts due that are not in dispute.

2.     INDEPENDENT CONTRACTOR

       (a)  Cayenta shall perform all Services hereunder as an Independent
            Contractor, and nothing contained herein shall be deemed to
            create any association, partnership, joint venture, or
            relationship of principal and agent or master and servant, or
            employer and employee between the parties hereto or any
            affiliates or subsidiaries thereof, or to provide either party
            with the right, power or authority, whether expressed or implied,
            to create any such duty or obligation on behalf of the other
            party.

3.     CHOICE OF LAW

       (a)  Cayenta agrees that in carrying out its duties and
            responsibilities under this Contract Agreement, it will neither
            undertake, nor cause nor permit to be undertaken, any activity
            which is illegal under any laws, decrees, rules or regulations in
            effect in either the United States or United Kingdom (herein
            referred to as "Territories").

       (b)  Cayenta agrees that it will not, directly or indirectly, give,
            offer or promise, or authorize or tolerate to be given, offered
            or promised, anything of value to another person, knowing or
            having reason to know that such thing of value is to be given,
            offered or promised to an official or employee of the governments
            of the Territories or of any subdivisions

<PAGE>

            thereof with the intent to (1) influence any official act or
            decision of such official or employee, or (2) induce such
            official or employee to use his influence to affect or influence
            any act or decision of the governments of the Territories or any
            subdivision thereof.

       (c)  Customer hereby represents and warrants that it is, and will
            remain in compliance with the requirements of all applicable
            export laws and regulations, including but not limited to the
            U.S. Export Administration Regulations and International Traffic
            in Arms Regulations. Such requirements include, but are not
            limited to obtaining all required authorizations or licenses for
            the export or reexport of any controlled item, product, article,
            commodity, software or technology.

       (d)  Without limiting the generality of the foregoing, Customer hereby
            represents and warrants that (i) it has not been, and is not
            currently, debarred, suspended or otherwise prohibited or
            restricted from exporting, reexporting, receiving, purchasing,
            processing or otherwise obtaining any item, product, article,
            commodity, software or technology regulated by any agency of the
            United States; and (if) Customer will not export or reexport any
            software or technology or the direct product thereof received
            from the Contractor under this Contract except in strict
            accordance with any applicable export regulations. Customer
            agrees to indemnify and hold harmless Cayenta from any costs,
            penalties or other losses caused by, or related to, any violation
            or breach of the warranties contained in this provision.

       (e)  This Contract, and the performance of breach thereof, shall be
            governed by and interpreted as to substantive matters in
            accordance with the applicable laws of the State of California,
            U.S.A.

4.            PROPRIETARY RIGHTS

       (a)  All information, reports, studies, object or source code, flow
            charts, diagrams and other tangible or intangible material,
            collectively ("Materials") of any nature whatsoever produced by
            or as a result of any of the Services and Deliverables, and all
            copies of the foregoing, shall be the sole and exclusive property
            of Cayenta and such Materials shall be deemed "'works made for
            hire", of which Cayenta shall be deemed the author. Customer
            shall retain the right to utilize the Materials for internal use
            without restriction.

       (b)  Cayenta warrants that all Materials developed under this Contract
            shall be Cayenta's own work.

<PAGE>

5.     INDEMNIFICATION

       (a)  Cayenta hereby represents and warrants that any information,
            material, products, designs, specifications or instructions, or
            the use thereof, provided by Cayenta does not infringe a patent,
            utility model, industrial design, copyright, trade secret or
            trademark in any country where Cayenta performs Services or
            provides Deliverables.

       (b)  Cayenta will defend or settle any claim against Customer that the
            Services and Deliverables delivered under this Contract or
            Cayenta's use thereof infringe a patent, utility model,
            industrial design, copyright, trade secret, trademark or other
            third party intellectual property right in the country where
            Cayenta performs Services or provides Deliverables, provided that
            Customer:

            (1)  promptly notifies Cayenta in writing of the claim, and

            (2) cooperates with Cayenta in, and grants Cayenta sole authority
                to control the defense and any related settlement.

       (c)  Cayenta will pay the cost of such defense and settlement and any
            costs, attorney's fees and damages awarded by a court of
            competent jurisdiction against Cayenta. If such a claim is made
            or appears likely to be made, Cayenta may procure the right for
            Customer to continue using the Deliverable and receiving the
            Services, may modify the Deliverable and/or the Services, or may
            replace same. If use of the Services and/or Deliverables is
            enjoined, Cayenta will modify Services and/or Deliverables and
            provide substitute Services and/or Deliverables acceptable to
            Customer that do not infringe, or refund Customer for payments
            made for such Services and/or Deliverables which are subject to
            any injunction.

       (e)  Customer shall defend, indemnify, and hold Cayenta harmless from
            and against any claim, liability, loss cost or expense (including
            reasonable attorney's fees) arising out of or resulting from (i)
            any personal injury or death to persons, or damage to property,
            in connection with the Services and Deliverables provided
            hereunder, and (ii) the negligence or willful misconduct of
            Customer, or its agents, employees' or contractors' connection
            with the Services and Deliverables provided hereunder.

<PAGE>

6.  LIMITATION OF LIABILITIES

    Cayenta shall have no liability for any claim relating to this Contract
    in excess of the fees and expenses payable hereunder. In no event shall
    Cayenta be liable to the Customer for indirect, special, incidental or
    consequential damages.

    The choice to implement any alterations to business processes will be the
    sole responsibility of the Customer. Cayenta will not assume the role of
    management, nor will Cayenta or any of its personnel or agents direct
    employees of Customer to take specific actions.

    This scope of this project does not include Year 2000 analysis or
    remediation. In no event will Cayenta be liable for damages related to
    Year 2000 effects on the Customers systems.

7.  CONFIDENTIAL INFORMATION

    During the course of this Contract, Customer and Cayenta will expose one
    another to confidential and proprietary information and trade secrets of
    the other and of parties from whom they have been licensed and/or
    otherwise authorized to provide products and services, including, without
    limitation, software and hardware designs and specifications, equipment,
    software, and information relating to marketing plans and future
    products, service capabilities, performance, and capacities and further
    including, without limitation, the proprietary information and trade
    secrets relating to the Statement of Work (collectively, "'Confidential
    Information"). "Confidential Information" also includes (i) all
    information in any form, belonging to Discloser or its affiliated
    companies that is maintained in confidence by Discloser and received by
    Recipient from Discloser or any of the Discloser's affiliates and (ii)
    for Cayenta's obligations, as described in Provision 8(c) below, the
    Deliverables.

    (a)  For the purpose of this Provision, "Recipient" refers to the party
         receiving Confidential Information and "Discloser" refers to the
         party disclosing Confidential Information. Recipient acknowledges
         the proprietary and sensitive nature of Confidential Information,
         and the importance of maintaining the secrecy and confidentiality of
         such Confidential Information and agrees that (i) it shall use
         Confidential Information only as authorized by this Contract, (ii)
         it shall hold Confidential Information in confidence, (iii) it shall
         not disclose any Confidential Information to anyone except in
         accordance with this Contract, and (iv) it shall use its best
         efforts to prevent any unauthorized disclosure of Confidential
         Information.

<PAGE>

    (b)  Confidential Information does not include information (i) generally
         known on a non-confidential basis (through no fault of Recipient) to
         companies in Discloser's business; (ii) lawfully obtained by
         Recipient without restriction on disclosure; (iii) known to
         Recipient prior to receipt from Discloser without restriction on
         disclosure; (iv) independently developed by Recipient without use of
         information provided by Discloser; (v) disclosed by Discloser to a
         third party without a duty of confidentiality on the third party or
         (vi) disclosed by Recipient with Discloser's prior written approval.

    (c)  Recipient agrees not to disclose Confidential Information to any
         third party and to use the Confidential Information only in
         connection with the Services and Deliverables. Recipient will limit
         access to the Confidential Information to its officers, directors,
         employees and Customers who are performing or supervising the work
         hereunder. Recipient will promptly notify Discloser of any
         unauthorized disclosure or use of the Confidential Information of
         which Recipient becomes aware and will take all steps reasonably
         requested by Discloser to remedy any such disclosure or use.
         Recipient shall not use, copy, duplicate or otherwise reproduce or
         retain all or any portion of the Confidential information in any
         form or manner whatsoever except as authorized in writing by
         Discloser. Recipient Will reproduce all confidential and other
         proprietary rights notices appearing on originals on all such
         authorized copies. The obligation to protect Confidential
         Information shall terminate eight years from the date last signed
         above.

    (d)  Recipient will restrict disclosure of Confidential Information
         solely to those of its employees and agents with a need to know such
         Confidential Information for the purpose of performing the work
         under this Contract. Recipient will ensure that any such person
         permitted access to any portion of the Confidential Information is
         advised of its confidential nature and the related obligation. Such
         purpose shall be the only one for which Recipient may use the
         Confidential Information. Recipient shall use and shall require that
         its agents and employees use the same degree of care with respect to
         Confidential Information as Recipient uses with respect to its own
         proprietary information.

    (e)  Recipient shall not reverse compile, reverse assemble, or reverse
         engineer meaning of any software code or equipment which are within
         the meaning Confidential Information.

<PAGE>

    (f)  Upon termination of the Contract or upon Discloser's request,
         Recipient agrees to surrender and deliver to Discloser all
         Confidential Information, which Discloser has provided to Recipient.

    (g)  If an attorney is used to enforce this Provision 8, the prevailing
         party in any action or proceeding to so enforce this Provision 8
         shall be entitled to its reasonable attorney's fees and cost
         incurred in such action or proceeding.

8.  PROJECT MANAGERS

    Cayenta shall assign a Cayenta employee (the "Project Manager") for each
    assignment to manage the assignment and oversee the Contract. The
    "Project Manager" is responsible for monitoring the Cayenta's work and
    for review and approval of invoice documentation.

    During the term of this Contract, the following Cayenta technical and
    administrative representatives are hereby designated:

         Rick Belmonte
         Project Manager

         Curt Smith
         VP Finance and Operations

    (a)  Cayenta's Project Manager is responsible for the day-to-day
         clarifications and guidance of Cayenta's personnel as may be
         required under the Contract.

    (b)  Matters relating to prices/costs, terms and conditions, quantities
         to be supplied, delivery schedule and financial adjustments shall be
         handled through the technical or administrative contacts above.

    (c)  Agreements between the parties, which by their nature effect a
         change to ge to the Contract, shall only be binding upon the parties
         when such agreements or actions are specifically authorized in
         writing by the VP Finance and Operations.

    (f)  All correspondence and communications between the Cayenta and
         Customer shall be directed to either of the technical or
         administrative contacts above.

<PAGE>

9.   PUBLICITY

     Customer Cayenta each agree not to make any public disclosure, except as
     may be legally required, relating to this Contract, Customer or its
     affiliated companies, or Cayenta or its affiliated companies, without
     obtaining the prior written consent of Cayenta and the Customer.

10.  NON-SOLICITATION

     During and for a period of one-year following termination of this
     Contract, neither party will, without prior written consent of the other
     party, hire or attempt to hire any employee of the other party or its
     affiliated companies.

11.  WORK POLICY

     (a)  Cayenta further agrees to employ his best efforts to meet
          Customer's assignment deadlines and documentation standards, as
          applicable. Unless otherwise agreed upon, Cayenta. shall meet with
          Customer personnel to discuss and review the progress status of the
          current assignment on a regular basis. Cayenta will comply with all
          provisions set forth in the Statement of Work.

12.  ADDITIONAL PROVISIONS

     (a)  Paragraph Headings. Paragraph headings are for convenience only and
          shall not be a part of the Terms and Conditions of the Contract.

     (b)  Waiver. Failure by either party at any time to enforce any
          obligation by the other party, to claim a breach of any term of
          this Contract or to exercise any power agreed to hereunder will not
          be construed as a waiver of any right, power or obligation under
          this Contract win not affect any subsequent breach, will not
          prejudice either party as regards any subsequent action.

     (c)  Severability. If any term or provision of this Contract should be
          declared red invalid by a term and/or provision, this Contract
          shall remain unimpaired and in full force and effect

     (d)  Subcontractors. Customer reserves the right of approval of
          unimpaired Subcontractors who will service Customer. Approval of
          such Subcontractors will not be unreasonably withheld by Customer.
          Approval of any Subcontractors by Customer shall not constitute the
          superseding or waiver of any right of the Customer to reject work
          that is

<PAGE>

          not in conformance with its standards or this Contract. Cayenta
          shall be fully responsible for all acts and omissions of its
          Subcontractors. Nothing in this Contract shall be construed to
          create any contractual relationship between Customer and any
          Subcontractors, nor any obligation on the part of Customer to pay
          or to see to the payment of any money due any Subcontractors,
          except as may otherwise by required by law.

     (e)  Assignment. Neither party may assign any rights nor obligations
          under this Contract without the prior consent of the other;
          provided, however, that Cayenta may assign any rights or
          obligations under this Contract to a subsidiary or affiliate.

     (f)  Modification. No modification, waiver or amendment of any term- or
          conditions of this Contract shall be effective unless and until it
          shall be reduced to writing and signed by both of the parties
          hereto or their legal representatives. All legally required
          Amendments will automatically become part of this Contract thirty
          (30) days after notification to both parties.

     (g)  Survival. The provisions of this Contract that by their nature and
          content are intended to survive the performance hereof, shall so
          survive the completion and termination of this Contract.

     (h)  Complete Agreement. This Contract together with the Statement of
          Work constitutes the entire agreement of the parties with respect
          to its subject matter and may not be modified in any way except by
          written agreement signed by both parties. There are no other
          agreements either express or implied with regard to this subject
          matter.

<PAGE>

-------------------------------------------------------------------------------

                     Change Order for Cayneta Support of WMI

-------------------------------------------------------------------------------

BACKGROUND:

Cayenta was originally contracted by WMI to develop an IT strategy and
architecture plan to established a future state solution blueprint that
greatly improves IT support of business operations and management. The
initial proposal included two support projects to identify quick-fixes for
the Billing and Financial Close processes. All three projects were originally
bid on a fixed price basis for a total of [...***...].

CURRENT STATUS:

Shortly after the project start in early September, Cayenta encountered
numerous related projects that were being conducted by Price Waterhouse
Coopers and Arthur Andersen. This generated significant unplanned
coordination effort for all Cayenta teams.

Cayenta was also requested to refocus their priorities on improving support
and operation of the current IT environment, primarily MAS. We received
verbal approval from Ralph Whitworth and Mike Patton to proceed on this track
and we engaged additional consultants to support the changing focus of our
project. Two weeks later, Perot Systems was brought in to take over all IT
related activities. This too resulted in more refocusing of our efforts and
engaging in additional coordination activity with both old and new players.

BILLING ARRANGEMENT AND ESTIMATE:

Our estimate for work beyond our initial proposal is an additional [...***...].
Our plan is to deliver our final recommendations by Nov. 8 and wrap-up all
consultant work by Nov. 12. We will separately propose our support for any
authorized quick-fix projects that are approved by WMI.

APPROVAL:

Cayenta:                                      WMI:

/s/ RICK BELMONTE                             Illegible    10/28/99
--------------------------------------        ---------------------------------
Rick Belmonte, Cayenta Program Manager        Ralph Whitworth, WMI Chairman

Date:                                         Date:
     ---------------                               ---------------

                         *CONFIDENTIAL TREATMENT REQUESTED

                                       1<PAGE>

                                           ***Text Omitted and Filed Separately
                                               Confidential Treatment Requested
                                         Under 17 C.F.R. Sections 200.80(b)(4),
                                                             200.83 and 230.406

                           SOFTWARE LICENSE AGREEMENT

     This Software License Agreement ("Agreement") entered on September 23,
1998 by and between ASSIST CORNERSTONE TECHNOLOGIES, INC., ("ASSIST") and
800.COM, Inc., ("LICENSEE").

                                    RECITALS

     WHEREAS, ASSIST owns and desires to license its computer software and
related documentation; and

     WHEREAS, LICENSEE desires to obtain a non-exclusive license to use
ASSIST'S computer software and related documentation.

     NOW, THEREFORE, the parties intending to be legally bound agree as follows:

     1. DEFINITIONS. When used in this Agreement, these terms shall have the
following meanings:

          (a)  LICENSED SOFTWARE means the software delivered to LICENSEE in
               accordance with the terms of this Agreement and described as
               follows:

          General Lodger, Accounts Payable, Accounts Receivable, Purchasing,
          Order Entry, Catalogue, Inventory, Sales Analysis, and EIS.

          (b)  RELATED DOCUMENTATION means reference manuals which provide field
by field descriptions for each software module licensed,

     2.   WARRANTY ASSIST warrants that each item of Software and any upgrade is
          free from defects in workmanship and material and shall function
          substantially as described in the Related Documentation for a period
          of [...***...] from the date the Software item or upgrade is shipped
          by ASSIST.

          ASSIST hereby represents and warrants that the Software is year 2000
          ready. By year 2000 ready, we mean that the Software, when used in
          accordance with the Related Documentation, is capable of correctly
          processing, providing and/or receiving date data within and between
          the 20th and 21st centuries, provided that all products ( including
          hardware, software, and firmware ) used with the Software properly
          exchange accurate date data with it.

If any item of Software fails to so function during its warranty period, ASSIST
will provide a suitable fix, patch or workaround for the problem or replace the
item. THE FOREGOING WARRANTIES AND LIMITATIONS ARE EXCLUSIVE REMEDIES AND ARE IN
LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED,

                        *CONFIDENTIAL TREATMENT REQUESTED

                                       1
<PAGE>

INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE.

     3. GRANT OF LICENSE. ASSIST grants LICENSEE a non-exclusive,
non-transferable license to use the ASSIST Modules listed in Paragraph l(a)
above and Related Documentation.

     LICENSEE shall have the right to customize the Licensed Software for its
own internal use; provided that if LICENSEE in any fashion modifies or
customizes the Licensed Software, ASSIST shall have the right to choose whether
it will or will not offer Licensed Software maintenance and support to LICENSEE.
In the event any modification and/or enhancement to the licensed Software is
created by LICENSEE or ASSIST at LICENSEE's request, all rights to the
enhancement or modification shall be owned by ASSIST, including any and all
derivative rights, moral rights, conceptual rights, patent rights, copyright or
other intellectual property rights. LICENSEE agrees to and hereby does assign to
ASSIST any and all such rights in such enhancement and/or modifications for
ASSIST's sole and exclusive use.

     ASSIST agrees to provide at no additional cost transfer media including
diskettes, tapes, and/or data cartridges, and to replace defective diskettes,
tapes and/or data cartridges during the initial installation and warranty.

     ASSIST agrees to provide at no additional cost as part of the license, one
set of Related Documentation for each module licensed. Additional sets of
Related Documentation may be licensed by LICENSEE at the rate then being charged
by ASSIST.

     4. RIGHTS AND RESPONSIBILITIES OF LICENSEE.  LICENSEE shall:

          (a) Use the Licensed Software only in connection with its own
options and only on the IBM AS/400 Computer, Model 170-2291, identified by the
CPU Serial Number of______________;

          (b) Refrain from selling, renting, leasing, or otherwise transferring
or assigning its right to use any or all of the Licensed Software and Related
Documentation.

          (c) Other than to create backup copies of the Licensed Software for
disaster recovery, not copy, modify, enhance, or translate the Licensed Software
or Related Documentation without the prior written consent of ASSIST. LICENSEE
shall not disclose, publish, transfer, translate, release or otherwise make
available the Licensed Software or Related Documentation, in any form, to any
person, (other than an employee of LICENSEE who requires such information to use
the Licensed Software), or to another entity, without prior written consent of
ASSIST.

          (d) Not remove ASSIST's copyright notices from any copies of the
Licensed Software made for purposes of backup.

                                       2
<PAGE>

          (e) Pay any and all applicable sales, use, income or excise tax levied
as a result of this grant of license and the services provided hereunder.
LICENSEE shall be responsible for the payment of any property tax levied as a
result of the ownership or grant of this License or the ownership or use of the
Licensed Software and Related Documentation pursuant to this License.

     5. PROPRIETARY DATA; CONFIDENTIALITY. LICENSEE acknowledges that the
information contained in the Licensed Software and Related Documentation is
confidential and contains trade secrets and proprietary data belonging to ASSIST
and that the presence of copyright notices on the median containing the Licensed
Software or the Related Documentation does not constitute publication or
otherwise impair the confidential nature thereof. LICENSEE shall implement all
reasonable measures in its use of the Licensed Software and Related
Documentation necessary to safeguard ASSIST's ownership of, and the
confidentiality of the Licensed Software modules listed in 1(a) above. LICENSEE
and ASSIST recognize that during the course of the installation, service and
support of the Licensed Software system, ASSIST employees may at LICENSEE's
request, have access to information about LICENSEE, LICENSEE affiliates or
LICENSEE's customers. ASSIST and its employees shall keep confidential and shall
not disclose to third parties any information including financial information or
any other information which ASSIST views or obtains in connection with the
installation and ongoing maintenance of the Licensed Software system.

     6. INFRINGEMENT. ASSIST represents that it owns all the Licensed Software
and Related Documentation and ASSIST will defend at its expense any claim or
action brought against LICENSEE to the extent that such claim or action is based
upon a claim that the Licensed Software or Related Documentation, used within
the scope of this Agreement by LICENSEE infringes on a United States copyright,
United States patent or trade secret. ASSIST will pay all adjudicated claims and
all settlements entered into and all damages and costs awarded against LICENSEE
including but not limited to reasonable attorneys fees that are awarded against
LICENSEE provided that:

          (a) LICENSEE gives ASSIST immediate written notice of all claims of
any such infringement and any suits brought or threatened against LICENSEE due
to such infringement;

          (b) LICENSEE gives ASSIST authority to assume the defense through its
own counsel and to compromise or settle any such suits (any non-adjudicated
settlement must be agreed to by ASSIST);

          (c) LICENSEE provides full information, cooperation, and support
necessary to assist defense or settlement of the claim;

          (d) Such action is not based on any copyright, trade secret, patent or
other proprietary information where

                                       3
<PAGE>

               (i) the software has been altered by LICENSEE if such
infringement would have been avoided by the use of unaltered software; or

               (ii) the use of the Licensed Software with non-ASSIST software
system or data, if such infringement would have been avoided by the use of the
Licensed Software without such other software, system or data; and

          (e) LICENSEE has obtained or will obtain all third party software and
licenses which are necessary to operate the Licensed Software.

     The foregoing states the entire liability of ASSIST with respect to
infringement or claimed infringement of any copyrights, patents or trade secrets
or other intellectual property rights by the Licensed Software and Related
Documentation or any part thereof.

     7. LICENSE FEE. In consideration of the license granted hereby, LICENSEE
shall pay ASSIST a single one-time license fee of [...***...]. The license
fee is based on the size of the IBM AS/400 processor on which the Licensed
Software is licensed to run. If the LICENSEE upgrades the IBM AS/400
processor, LICENSEE shall notify ASSIST of such upgrade, and ASSIST has the
right to appropriately increase the license fee and any such increase will be
based on the difference in price between the size of processor on which the
Licensed Software is licensed to run and the upgraded model.

     8. TERMS Upon execution of this Agreement, ASSIST shall make available to
LICENSEE, the Licensed Software and Related Documentation and company personnel
to install and train LICENSEE's employees to use said system.

          (a) LICENSEE agrees to pay [...***...] the full amount of the
license fee upon execution of this Agreement. [...***...] of the full amount
on October 15th, 1998. [...***...] of the full amount upon completion of the
installation and pilot test. The remaining [...***...] of the full license
fee will be paid upon going live or January 31st, 1998 whichever occurs first.

          (b) LICENSEE acknowledges and agrees that it has been informed that
the Licensed Software contains a "time bomb" which will not be deactivated
until LICENSEE has paid ASSIST for the full amount of the license fee.

     9. LIMITED WARRANTY. LICENSEE accepts the Licensed Software for the
functions it will perform for LICENSEE, LICENSEE having conducted its own
investigation therein.

     EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, ASSIST DOES NOT MAKE, AND
LICENSEE HEREBY EXPRESSLY WAIVES, ANY WARRANTIES, EXPRESS OR IMPLIED, INCLUDING
ANY AND ALL WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
PURPOSE. IN NO EVENT SHALL ASSIST BE

                        *CONFIDENTIAL TREATMENT REQUESTED

                                       4
<PAGE>

LIABLE FOR ANY DAMAGES, INCLUDING INCIDENTAL OR CONSEQUENTIAL DAMAGES,
ARISING OUT OF THE USE OR PERFORMANCE OF THE SOFTWARE PROVIDED By ASSIST
HEREUNDER, EVEN IF ASSIST HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES. IN NO EVENT SHALL ASSIST BE LIABLE TO LICENSEE OR ANY THIRD PARTY
FOR ANY REASON.

     LIMITATION OF LIABILITY. Except for claims of infringement, as provided
herein, and except for loss caused to LICENSEE by intentional acts or
omissions by ASSIST, the entire liability of ASSIST for any claim of defect
or breach of warranty, and the sole exclusive remedy of LICENSEE shall be the
replacement of any transfer media which does not meet the limited warranty.
EXCEPT AS OTHERWISE PROVIDED HEREIN, IN NO EVENT WILL ASSIST OR ANY OF ITS
OFFICERS, EMPLOYEES, OR AGENTS BE LIABLE FOR ANY DAMAGES, INCLUDING BUT NOT
LIMITED TO, LOST PROFITS, LOST SAVINGS OR OTHER DIRECT, INDIRECT, INCIDENTAL
OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF, INABILITY TO USE, OR THE
RESULT OF USING LICENSED SOFTWARE AND RELATED DOCUMENTATION, EVEN IF ASSIST
HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES OR ANY CLAIM BY ANY PARTY.

     10. MAINTENANCE AND SUPPORT. As and when available from time to time and
when generally released by ASSIST to its customers, ASSIST shall provide to
LICENSEE updates and upgrades for the Licensed Software and make available to
LICENSEE across via telephone, Support through the Assist support desk, for
advise regarding the use of the Licensed Software. At the expiration of the
three month warranty, LICENSEE shall pay an annual fee for ongoing software
Support and upgrades at the rate established by ASSIST, which is currently
[...***...] of the list price of the software. If LICENSEE upgrades the
Licensed Software, it is entitled to one copy of the latest Related
Documentation for each module installed. Additional Related Documentation may
be licensed by LICENSEE at the rate then being charged by ASSIST. Support
does not include, among other things, supporting custom programs or fixing
and/or modifying any data. If LICENSEE does not elect to pay an annual fee
for ongoing software Support and upgrades, LICENSEE may elect to pay ASSIST
the hourly and per/call rate then being charged by ASSIST for ongoing Support
and LICENSEE shall also pay the software upgrade charge set by ASSIST if
LICENSEE desires the software upgrades. Any requested Related Documentation
will be provided to LICENSEE at the rate then being charged by ASSIST.

     11. GOVERNING LAW. This Agreement shall be governed by and interpreted in
accordance with the laws of the state of Utah, and any action hereunder shall be
brought in Salt Lake County, State of Utah.

     12. LICENSED SOFTWARE AND RELATED DOCUMENTATION OWNERSHIP. LICENSEE
acknowledges that ASSIST is the sole owner and developer of the Licensed
Software and Related Documentation. All rights, title and interest in or to the
Licensed Software and Related

                        *CONFIDENTIAL TREATMENT REQUESTED

                                       5
<PAGE>

Documentation, and any copyrights, including moral rights, and all rights to
make reproductions and any information on or contained within the Licensed
Software, and all trademarks, patents or trade secrets associated with the
Licensed Software, wherever resident and on whatever media, shall remain with
ASSIST. LICENSEE shall take all reasonable steps necessary to protect the
proprietary nature of the software and Related Documentation against any
unauthorized use and/or disclosure.

     13. ASSISTANCE by LICENSEE. LICENSEE shall provide ASSIST with full, good
faith cooperation and such information as may be required by ASSIST in order to
provide the services hereunder. In particular, LICENSEE shall:

          (a) provide ASSIST with specific and detailed information concerning
LICENSEE's workflow and procedures as they related to the Licensed Software;

          (b) make available to ASSIST the data and files needed to implement
and test the Licensed Software; and

          (c) make available to ASSIST, personnel of LICENSEE for the
development and testing of the Licensed Software and training users hereof.

     14. MISCELLANEOUS. The following miscellaneous provisions shall apply to
this Agreement:

          (a) MODIFICATION OF AGREEMENT. This Agreement can only be modified
by a separate writing, other than an instrument of payment, signed by all
parties.

          (b) DEFAULT. If either party defaults in any of the covenants or
agreements herein contained, the defaulting party will pay all costs and
expenses, including reasonable attorneys fees, incurred by the other party in
enforcing its rights arising under this Agreement, whether incurred through
legal action or otherwise, including reasonable attorneys fees incurred in
enforcing any arbitration award or decision.

          (c) ENFORCEMENT. LICENSEE acknowledges that any remedy of law for
breach of any confidentiality provisions or non-disclosure provisions herein
would be inadequate, acknowledges that ASSIST would be irreparably damaged by
any actual or threatened breach thereof, and agrees that ASSIST shall be
entitled to an injunction restraining LICENSEE from any actual or threatened
breach of such provision, as well as any further appropriate equitable relief
without any bond, or other security being required. In addition to the
foregoing, ASSIST shall be entitled to any remedies available at law, equity,
or by statute.

          (d) SEVERABILITY. If and to the extent that any court of competent
jurisdiction holds any Provision or any part hereof to be invalid or
unenforceable, such holding shall in no way affect the validity of the
remainder of this Agreement.

                                       6
<PAGE>

          (e) WAIVER. No failure by either party to insist upon the strict
performance of any covenant, duty, agreement or condition of this Agreement,
or to exercise any right or remedy upon the breach thereof, shall constitute
a waiver of any breach of this Agreement.

          (f) ENTIRE AGREEMENT. This Agreement contains the entire agreement
of the parties and supersedes all prior agreements, negotiations, and
understandings between the parties.

     15. ASSIGNMENT. Customer may transfer or assign its rights under this
agreement to a third party located in Canada or the USA who has purchased all
or substantially all of the customers assets or capital stock who is not a
competitor of Assist and who agrees in writing in advance to be bound by the
terms herein. Except as provided above Customer is prohibited from
transferring or assigning, encumbering or otherwise pledging any of its
rights or obligations under this agreement without prior written consent of
Assist which shall not be unreasonably denied.

     16. ACKNOWLEDGMENT. LICENSEE ACKNOWLEDGES THAT ITS AUTHORIZED AGENTS
HAVE READ AND UNDERSTAND THIS SOFTWARE LICENSE AGREEMENT, AND THAT THE
LICENSEE AGREES TO BE BOUND BY ITS TERMS, AND CONDITIONS. LICENSEE
ACKNOWLEDGES THAT THIS WRITTEN AGREEMENT EXPRESSES THE ENTIRE AGREEMENT
BETWEEN LICENSEE AND ASSIST AND SUPERCEDES ANY PRIOR COMMUNICATIONS, ORAL OR
WRITTEN, RELATING TO THE SUBJECT MATTER HEREOF.

     17. NOTICE. Any notice required or permitted to be sent under this
Agreement, shall be delivered by hand or mailed by registered or certified
mail, return receipt requested, to 800.COM, Inc. at 513 NW 13th Ave, Suite
500, Portland, OR 97209 and to ASSIST CORNERSTONE TECHNOLOGIES, INC., at 77
West 200 South, Suite 500, Salt Lake City, Utah 84101.

     IN WITNESS WHEREOF, the parties have signed this Software License
Agreement as of the date above first written.

ASSIST CORNERSTONE                         LICENSEE
TECHNOLOGIES, INC.

Signature: /s/ Russell Wilsing             Signature: /s/ Gregory L. Drew
          ---------------------------                ---------------------------

Name: Russell Wilsing                      Name: Gregory L. Drew
     --------------------------------           --------------------------------

Title: CFO                                 Title: PRESIDENT, CEO
      -------------------------------            -------------------------------

                                       7

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