Document:

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                                                                   Exhibit 10.23

                            INVESTOR RIGHTS AGREEMENT
                                 AMENDMENT NO. 1

     Simultaneous and in connection with the execution of a Stock Purchase
Agreement by and among Engage, Inc., a Delaware corporation (the "Company"),
CMGI, Inc., a Delaware corporation (the "Investor"), and certain other
investors, the Company and the Investor do hereby amend the Investor Rights
Agreement dated as of July 20, 1999 between the Company and the Investor (the
"Investor Rights Agreement") by this Amendment No. 1 to the Investor Rights
Agreement, dated as of June 19, 2000 (this "Amendment").

     The Investor Rights Agreement is hereby amended by replacing the definition
of "Registrable Shares" under "Section I, Certain Definitions" with the
following language:

          "REGISTRABLE SHARES" means (a) the shares of Common Stock held by the
     Investor upon the closing of the Initial Public Offering; (b) the shares of
     Common Stock acquired by the Investor upon consummation of the transactions
     contemplated in the Agreement and Plan of Merger and Contribution between
     the Company, the Investor, AK Acquisition Corp., AdKnowledge, Steve
     Findley, John Mracek and Kevin Wandryk dated as of September 23, 1999; (c)
     the shares of Common Stock acquired by the Investor upon consummation of
     the transactions contemplated by the Agreement and Plan of Merger and
     Contribution among the Company, the Investor, FCET Corp., Adsmart
     Corporation and Flycast Communications Corporation dated as of January 19,
     2000; (d) the shares of Common Stock acquired by the Investor upon
     consummation of the transactions contemplated by the Stock Purchase
     Agreement between the Company, the Investor and certain other investors
     dated as of June 19, 2000; and (e) any other shares of Common Stock issued
     in respect of such the shares of Common Stock referred to in clause (a)
     through (d) (because of stock splits, stock dividends, reclassifications,
     recapitalizations or similar events); provided, however, that shares of
     Common Stock which are Registrable Shares shall cease to be Registrable
     Shares upon (i) any sale pursuant to a Registration Statement or Rule 144
     under the Securities Act or (ii) any sale in any manner to a person or
     entity which, by virtue of Section 3.4 of this Agreement, is not entitled
     to the rights provided by this Agreement.

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

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ENGAGE, INC.                                CMGI, INC.
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By: /s/ Stephen A. Royal                    By:  /s/ Andrew J. Hadjucky
   ------------------------                     ----------------------------
Name: Stephen A. Royal                      Name:    Andrew J. Hadjucky III
Title: CFO                                  Title:   Chief Financial Officer
                                                     and Treasurer
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Address:                                    Address:

100 Brickstone Square, 5th Floor            100 Brickstone Square, 5th Floor
Andover, Massachusetts  01810               Andover, Massachusetts  01810
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Telephone No:                               Telephone No:  (978) 684-3600
Facsimile No:                               Facsimile No:   (978) 684-3601
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with copy to:                               with copy to:

Mark G. Borden, Esquire                     David T. Brewster, Esquire
Hale and Dorr LLP                           Skadden, Arps, Slate, Meagher
60 State Street                               & Flom LLP
Boston, Massachusetts 02108                 One Beacon Street, 31st Floor
                                            Boston, Massachusetts  02108
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Telephone No:  (617) 526-6000               Telephone No:  (617) 573-4800
Facsimile No:   (617) 526-5000              Facsimile No:   (617) 573-4822

Constantine Alexander, Esquire
Nutter, McClennen & Fish, LLP
One International Place
Boston, Massachusetts  02110

Telephone No:  (617) 439-2000
Facsimile No:   (617) 973-9748
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                                                                   EXHIBIT 10.24

                                  ENGAGE, INC.

                 AMENDED AND RESTATED INVESTOR RIGHTS AGREEMENT

          This AMENDED AND RESTATED INVESTOR RIGHTS Agreement dated as of June
19, 2000 (the "Agreement"), is entered into by and between Engage, Inc., a
Delaware corporation (formerly, Engage Technologies, Inc., the "Company"), and
CPQ Holdings, Inc., a Delaware corporation (the "Investor").

                                    RECITALS

          WHEREAS, the Company and the Investor, among others, are party to that
certain Common Stock Purchase Agreement of even date herewith (the "Purchase
Agreement");

          WHEREAS, in order to induce the Investor to enter into the Purchase
Agreement, the Company has agreed to provide for certain arrangements with
respect to the registration of shares of capital stock of the Company under the
Securities Act of 1933, as amended;

          WHEREAS, the Company and the Investor are party to that certain Stock
Purchase Agreement (the "Prior Purchase Agreement") and that certain Investor
Rights Agreement (the "Prior Rights Agreement"), each dated as of July 11, 1999;
and

          WHEREAS, in connection herewith, the parties have agreed to amend and
restate the Prior Rights Agreement in its entirety in the manner set forth
herein:

          NOW, THEREFORE, in consideration of the mutual promises and covenants
contained in this Agreement and the Purchase Agreement, and other good and
valuable consideration, the receipt and adequacy of which is hereby
acknowledged, the parties hereto agree as follows:

     1.   CERTAIN DEFINITIONS.

          As used in this Agreement, the following terms shall have the
following respective meanings:

          "CMGI" means CMGI, Inc., a Delaware corporation, and any other holder
of shares of Common Stock entitled to the benefits of that certain Investor
Rights Agreement dated as of July 23, 1999, as amended, by and between the
Company and CMGI.

          "COMMISSION" means the Securities and Exchange Commission, or any
other federal agency at the time administering the Securities Act.

          "COMMON STOCK" means the common stock, $.01 par value per share, of
the Company.

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          "EXCHANGE ACT" means the Securities Exchange Act of 1934, as amended,
or any successor federal statute, and the rules and regulations of the
Commission issued under such Act, as they each may, from time to time, be in
effect.

          "OTHER HOLDERS" shall have the meaning set forth in Section 2.1(a)(i).

          "PROSPECTUS" mews the prospectus included in any Registration
Statement, as amended or supplemented by an amendment or prospectus supplement,
including post-effective amendments, and all material incorporated by reference
or deemed to be incorporated by reference in such Prospectus.

          "REGISTRATION STATEMENT" means a registration statement filed by the
Company with the Commission for a public offering and sale of securities of the
Company (other than a registration statement on Form S-8, Form S-4, or their
successors, or any other form for a similar limited purpose, any registration
statement covering only securities proposed to be issued in exchange for
securities or assets of another corporation), and any registration initiated by
any stockholder of the Company (other than CMGI, Inc.).

          "REGISTRATION EXPENSES" means the expenses described in Section 2.5.

          "REGISTRABLE SHARES" means (i) the shares of common stock purchased by
the Investor pursuant to the Purchase Agreement and the Prior Purchase Agreement
and (ii) any other shares of Common Stock issued in respect of such shares
(because of stock splits, stock dividends, reclassifications, recapitalizations,
or similar events); PROVIDED, HOWEVER, that shares of Common Stock which are
Registrable Shares shall cease to be Registrable Shares upon (i) any sale
pursuant to a Registration Statement or Rule 144 under the Securities Act or
(ii) any sale in any manner to a person or entity which, by virtue of Section 3
of this Agreement, is not entitled to the rights provided by this Agreement.

          "SECURITIES ACT" means the Securities Act of 1933, as amended, or any
successor federal statute, and the rules and regulations of the Commission
issued under such Act, as they each may, from time to time, be in effect.

          "SELLING STOCKHOLDER" means any Stockholder owning Registrable Shares
included in a Registration Statement.

          "STOCKHOLDER" means any of the Investor and any affiliate of the
Investor to whom the rights granted under this Agreement are transferred by the
Investor, pursuant to Section 3 hereof.

     2.   REGISTRATION RIGHTS.

          2.1  REQUEST FOR REGISTRATION.

               (a) If the Company shall receive at any time on or after October
1, 2000, a written request from any Stockholder that the Company file a
registration statement under the Securities Act covering the registration of at
least fifty percent (50%) of the

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Registrable Shares (or a lesser percent if the anticipated aggregate offering
price, net of underwriting discounts and commissions, would exceed $20,000,000),
then the Company shall:

                    (i) within ten (10) days of receipt thereof, give notice to
CMGI and all other stockholders entitled to include shares therein ("Other
Holders"); and

                    (ii) use commercially reasonable efforts to effect as soon
as practicable, and in any event within sixty (60) days of the receipt of such
request, the registration under the Securities Act of such Registrable Shares,
subject to the limitations of subsection (b) below.

               (b)  If the registration pursuant to this Section 2.1 or Section
2.3 involves an underwriting, the right of any Stockholder to include its
Registrable Shares in such registration pursuant to this Section 2.1 or Section
2.3 shall be conditioned upon such Stockholder's participation in such
underwriting on the terms set forth herein. All Stockholders proposing to
distribute their securities through such underwriting shall enter into an
underwriting agreement in customary form with the underwriter or underwriting
selected for the underwriting by the Company. Notwithstanding any other
provision of this Section 2.1 or Section 2.3, if the managing underwriter
determines that the inclusion of all shares requested to be registered would
adversely affect the offering the Company may limit the number of securities
held by the holders of securities to be included in the registration and
underwriting. The Company shall so advise all holders of securities requesting
registration, and the number of shares that are entitled to be included in the
registration and underwriting shall be allocated in the following manner. The
securities of the Company held by holders other than Stockholders and Other
Holders shall be excluded from such registration and underwriting to the extent
deemed advisable by the managing underwriter, and, if a further limitation on
the number of shares is required, the number of shares that may be included in
such registration and underwriting shall be allocated among all Stockholders and
Other Holders requesting registration in proportion, as nearly as practicable,
to the respective number of shares of Common Stock which they held at the time
the Company gives the notice specified in Section 2.1(a)(i) or Section 2.3(a);
PROVIDED, HOWEVER, that in no event shall the number of Registrable Shares
comprise less than fifty percent (50%) of the securities to be registered in
such offering. If any Stockholder or Other Holder would thus be entitled to
include more securities than such holder requested to be registered, the excess
shall, be allocated among other requesting Stockholders and Other Holders pro
rata in the manner described in the preceding sentence. If any holder of
Registrable Shares or any Other Holder disapproves of the terms of any such
underwriting such person may elect to withdraw therefrom by written notice to
the Company, and any Registrable Shares or other securities excluded or,
withdrawn from such underwriting shall be withdrawn from such registration.

               (c)  Notwithstanding the foregoing, the Company shall not be
obligated to effect, or to take any action to effect, any registration pursuant
to this Section 2.1:

                    (i) if the Company shall furnish to the Stockholders, a
certificate signed by the Chief Executive Officer of the Company stating that in
the good faith judgment of the Board of Directors of the Company, it would be
seriously detrimental to the Company and its stockholders for such registration
statement to be filed and it is therefore essential to defer the filing of such
registration statement, the Company shall have the right to

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defer taking action with respect to such filing for a period of not more than
ninety (90) days after receipt of the request of the Stockholders; PROVIDED,
HOWEVER, that the Company may not utilize this right more than once in any
twelve-month period;

                    (ii) after the Company has effected an aggregate of two (2)
registrations pursuant to this Section 2.1 or Section 2.3 and such registrations
have been declared or ordered effective;

                    (iii) if the Company has, within the twelve (12) months
preceding the date of such request, already effected one (1) registration for
the Stockholder pursuant to this Section 2.1;

                    (iv) during the period starting with the date thirty (30)
days prior to the Company's good faith estimate of the date of filing of, and
ending on a date one hundred eighty (180) days after the effective date of, a
registration subject to Section 2.2 hereof; provided that the Company is
actively employing in good faith all reasonable efforts to cause such
registration statement to become effective;

                    (v) if such Registrable Shares may be sold pursuant to Rule
144(k) under the Securities Act and represent less than one percent (1%) of the
then outstanding shares of Common Stock;

                    (vi) if such Registrable Shares may be immediately
registered on Form S-3 pursuant to a request made pursuant to Section 2.3 below;
or

                    (vii) in any particular jurisdiction in which the Company
would be required to qualify to do business or to execute a general consent to
service of process in effecting such registration, qualification or compliance.

          2.2  INCIDENTAL REGISTRATION.

               (a)  Whenever the Company proposes to file a Registration
Statement at any time and from time to time, it will prior to such filing, give
written notice to all Stockholders of its intention to do so; PROVIDED, HOWEVER,
that no such notice need be given if no Registrable Shares are to be included
therein as a result of a determination of the managing underwriter pursuant to
Section 2.2(b). Upon the written request of a Stockholder or Stockholders given
within fifteen (15) days after the Company provides such notice (which request
shall state the intended method of disposition of such Registrable Shares), the
Company shall use its best efforts to cause all Registrable Shares which the
Company has been requested by such Stockholder or Stockholders to register to be
registered under the Securities Act to the extent necessary to permit their sale
or other disposition in accordance with the intended methods of distribution
specified m the request of such Stockholder or Stockholders; PROVIDED, HOWEVER,
that the Company shall have the right to postpone or withdraw any registration
effected pursuant to this Section 2.2 without obligation to any Stockholder.
Notwithstanding any other provision of this Agreement seemingly to the contrary,
the Stockholders shall have no right under this Agreement to require the Company
to register any Registrable Securities under the Securities Act as part of any
registration initiated by CMGI.

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               (b)  If the registration, for which the Company gives notice
pursuant to Section 2.2(a) involves an underwriting, the Company shall so advise
the Stockholders as a part of the written notice given pursuant to Section
2.2(a). In such event, the right of any Stockholder to include its Registrable
Shares in such registration pursuant to this Section 2.2 shall be conditioned
upon such Stockholder's participation in such underwriting on the terms set
forth herein. All Stockholders proposing to distribute their securities through
such underwriting shall enter into an underwriting agreement in customary form
with the underwriter or underwriting selected for the underwriting by the
Company. Notwithstanding any other provision of this Section 2.2, if the
managing underwriter determines that the inclusion of all shares requested to be
registered would adversely affect the offering the Company may limit the number
of Registrable Shares to be included in the registration and underwriting. The
Company shall so advise all holders of Registrable Shares requesting
registration, and the number of shares that are entitled to be included in the
registration and underwriting shall be allocated in the following manner. The
securities of the Company held by holders other than Stockholders or Other
Holders shall be excluded from such registration and underwriting to the extent
deemed advisable by the managing underwriter, and, if a further limitation on
the number of shares is required, the number of shares that may be included in
such registration and underwriting shall be allocated among all Stockholders and
Other Holders requesting registration in proportion, as nearly as practicable,
to the respective number of shares of Common Stock which they held at the time
the Company gives the notice specified in Section 2.2(a). If any Stockholder or
Other Holder would thus be entitled to include more securities than such holder
requested to be registered, the excess shall, be allocated among other
requesting Stockholders and Other Holders pro rata in the manner described in
the preceding sentence. If any holder of Registrable Shares or any Other Holder
disapproves of the terms of any such underwriting such person may elect to
withdraw therefrom by written notice to the Company, and any Registrable Shares
or other securities excluded or, withdrawn from such underwriting shall be
withdrawn from such registration.

               (c)  Notwithstanding the foregoing, the Company shall not be
required, pursuant to this Section 2.2, to include any Registrable Shares in a
Registration Statement if such Registrable Shares can then be sold pursuant to
Rule 144(k) under the Securities Act and represent less than one percent (1%) of
the then outstanding shares of Common Stock.

          2.3  FORM S-3 REGISTRATION. In case the Company shall receive a
written request from any Stockholder that the Company effect a registration on
Form S-3 and any related qualification or compliance with respect to at least
fifty percent (50%) of the Registrable Shares (or a lesser percent if the
anticipated aggregate offering price, net of underwriting discounts and
commissions, would exceed $10,000,000), the Company will:

               (a)  promptly give written notice of the proposed registration,
and any related qualification or compliance, to the Other Holders; and

               (b)  use commercially reasonable efforts to effect as soon as
practicable but in no event later than thirty (30) days after the receipt of the
request for registration from the Stockholder, such registration and all such
qualifications and compliances as may be so requested and as would permit or
facilitate the sale and distribution of all or such portion of the Registrable
Shares as are specified in such request, together with all or such portion of
securities

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of any Other Holder joining in such request as are specified in a written
request given within five (5) days after receipt of such written notice from the
Company, subject to the limitations of Section 2.1(b). Notwithstanding the
foregoing, the Company shall not be obligated to effect any such registration,
qualification or compliance, pursuant to this section 2.3: (i) if Form S-3 is
not available for such offering; (ii) if the Company shall furnish to the
Stockholders a certificate signed by the President of the Company stating that
in the good faith judgment of the Board of Directors of the Company, it would be
seriously detrimental to the Company and its shareholders for such Form S-3
Registration to be effected at such time, in which event the Company shall have
the right to defer the filing of the Form S-3 registration statement for a
period of not more than ninety (90) days after receipt of the request of the
Stockholders under this Section 2.3; provided, however, that the Company shall
not utilize this right more than twice in any twelve month period; (iii) if the
Company has already effected an aggregate of two (2) registrations on Form S-1
or S-3 for the Stockholders pursuant to Section 2.1 or this Section 2.3; (iv)
during the period starting with the date thirty (30) days prior to the Company's
good faith estimate of the date of filing of, and ending on a date sixty (60)
days after the effective date of, a registration subject to Section 2.2 hereof;
provided that the Company is actively employing in good faith all reasonable
efforts to cause such registration statement to become effective; (v) prior to
October 1, 2000; (vi) if such Registrable Shares may be sold pursuant to Rule
144(k) under the Securities Act and represent less than one percent (1%) of the
then outstanding shares of Common Stock; or (vii) in any particular jurisdiction
in which the Company would be required to qualify to do business or to execute a
general consent to service of process in effecting such registration,
qualification or compliance.

               (c)  Subject to the foregoing, the Company shall file a
registration statement covering the Registrable Shares and other securities so
requested to be registered as soon as practicable after receipt of the request
or requests of the Stockholders and Other Holders.

          2.4  REGISTRATION PROCEDURES.

               (a)  If and whenever the Company is required by the provisions of
this Agreement to use its best efforts to effect the registration of any
Registrable Shares under the Securities Act, the Company shall:

                    (i)  file with the Commission a Registration Statement with
respect to such Registrable Shares and use its best efforts to cause that
Registration Statement to become effective as soon as possible;

                    (ii) as expeditiously as possible prepare and file with the
Commission any amendments and supplements to the Registration Statement and the
prospectus included in the Registration Statement as may be necessary to comply
with the provisions of the Securities Act (including the anti-fraud provisions
thereof) and to keep the Registration Statement effective for twelve (12) months
from the effective date or such lesser period until all such Registrable Shares
are sold;

                    (iii) as expeditiously as possible furnish to each Selling
Stockholder such reasonable numbers of copies of the Prospectus, in conformity
with the Securities Act, and such other documents as such Selling Stockholder
may reasonably request in

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order to facilitate the public sale or other disposition of the Registrable
Shares owned by such Selling Stockholder;

                    (iv) as expeditiously as possible use its best efforts to
register or qualify the Registrable Shares covered by the Registration Statement
under the securities or Blue Sky laws of such states as the Selling Stockholders
shall reasonably request, and do any and all other acts and things that may be
necessary or desirable to enable the Selling Stockholders to consummate the
public sale or other disposition in such states of the Registrable Shares owned
by the Selling Stockholder; PROVIDED, HOWEVER, that the Company shall not be
required in connection with this paragraph (iv) to qualify as a foreign
corporation or execute a general consent to service of process in any
jurisdiction;

                    (v)  as expeditiously as possible, cause all such
Registrable Shares to be listed on each securities exchange or automated
quotation system on which similar securities issued by the Company are then
listed; and

                    (vi) promptly make available for inspection by the Selling
Stockholders, any managing underwriter participating in any disposition pursuant
to such Registration Statement and any attorney or accountant or other agent
retained by any such underwriter or selected by the Selling Stockholders, an
financial and other records, pertinent corporate documents and properties of the
Company and cause the Company's officers, directors, employees and independent
accountants to supply all information reasonably requested by any such seller,
underwriter, attorney, accountant or agent in connection with such Registration
Statement.

               (b)  If the Company has delivered a Prospectus to the Selling
Stockholders and after having done so the Prospectus is amended to comply with
the requirements of the Securities Act, the Company shall promptly notify the
selling Stockholders and, if requested, the Selling Stockholders shall
immediately cease making offers of Registrable Shares and return all
Prospectuses to the Company. The Company shall promptly provide the Selling
Stockholders with revised Prospectuses and, following receipt of the revised
Prospectuses, the Selling Stockholders shall be free to resume making offers of
the Registrable Shares.

               (c)  In the event that, in the judgment of the Company, it is
advisable to suspend use of a Prospectus included in a Registration Statement
due to pending material developments or other events that have not yet been
publicly disclosed and as to which the Company believes public disclosure would
be detrimental to the Company, the Company shall notify all Selling Stockholders
to such effect, and, upon receipt of such notice, each such Selling stockholder
shall immediately discontinue any sales of Registrable Shares pursuant to such
Registration Statement until such Selling Stockholder has received copies of a
supplemented or amended Prospectus or until such Selling Stockholder is advised
in writing by the Company that the then current Prospectus may be used and has
received copies of any additional or supplemental filings that are incorporated
or deemed incorporated by reference in such Prospectus. Notwithstanding anything
to the contrary herein, the Company shall not exercise its rights under this
Section 2.4(c) to suspend sales of Registrable Shares for a period in excess of
ninety (90) days in any 365-day period,

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          2.5  ALLOCATION OF EXPENSES. The Company will pay all Registration
Expenses for all registrations under this Agreement. For purposes of this
Section, the term "Registration Expenses" shall mean all expenses incurred by
the Company in complying with this Agreement, including, without limitation, all
registration and filing fees, exchange listing fees, printing expenses, fees and
expenses of counsel for the Company, state Blue Sky fees and expenses, and the
expense of any special audit incident to or required by any such registration
and fees and expenses of counsel for the Stockholders.

          2.6  INDEMNIFICATION AND CONTRIBUTION.

               (a)  In the event of any registration of any of the Registrable
Shares under the Securities Act pursuant to this Agreement, the Company will
indemnify and hold harmless the seller of such Registrable Shares, and such
seller's agents, employees, directors and officers (collectively, "Seller's
Agents"), each underwriter of such Registrable Shares, and each other person, if
any, who controls such seller or underwriter within the meaning of the
Securities Act or the Exchange Act against any losses, claims, damages or
liabilities, joint or several, to which such seller, Seller's Agents,
underwriter or controlling person may become subject under the Securities Act,
the Exchange Act, state securities or Blue Sky laws or otherwise, insofar as
such losses, claims, damages or liabilities (or actions in respect thereof)
arise out of or are based upon any untrue statement or alleged untrue statement
of any material fact contained in any Registration Statement under which such
Registrable Shares were registered under the Securities Act, any preliminary
prospectus or final prospectus contained in the Registration Statement, or any
amendment or supplement to such Registration Statement, or arise out of or are
based upon any omission or alleged omission to state a material fact required to
be stated therein or necessary to make the statements therein not misleading,
and the Company will reimburse such seller, Seller's Agents, underwriter and
each such controlling person for any legal or any other expenses reasonably
incurred by such seller, Seller's Agents, underwriter or controlling person in
connection with investigating or defending any such loss, claim, damage,
liability or action; PROVIDED, HOWEVER, that the Company will not be liable in
any such case to the extent that any such loss, claim, damage or liability
arises out of or is based upon any untrue statement or omission made in such
Registration Statement, preliminary prospectus or prospectus, or any such
amendment or supplement, in reliance upon and in conformity with information
furnished to the Company, in writing by or on, behalf of such seller,
underwriter or controlling person specifically for use in the preparation
thereof.

               (b)  In the event of any registration of any of the Registrable
Shares under the Securities Act pursuant to this Agreement, each seller of
Registrable Shares, severally and not jointly, will indemnify and hold harmless
the Company, each of its directors and officers and each underwriter (if any)
and each person, if any, who controls the Company or any such underwriter within
the meaning of the Securities Act or the Exchange Act, against any losses,
claims, damages or liabilities, joint or several, to which the Company, such
directors and officers, underwriter or controlling person may become subject
under the Securities Act, the Exchange Act, state securities or Blue Sky laws or
otherwise, insofar as such losses, claims, damages or liabilities (or actions in
respect thereof) arise out of or are based upon any untrue statement or alleged
untrue statement of a material fact contained in any Registration Statement
under which such Registrable Shares were referred under the Securities Act, any
preliminary prospectus or final prospectus contained in the Registration
Statement, or any amendment or

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supplement to the Registration Statement, or arise out of or are based upon any
omission or alleged omission to state a material fact required to be stated
therein or necessary to make the statements therein not misleading, if the
statement or omission was made in reliance upon and in conformity with
information relating to such seller furnished in writing to the Company by or on
behalf of such seller specifically for use in connection with the preparation of
such Registration Statement, prospectus, amendment or supplement; PROVIDED,
HOWEVER, that the obligations of a Stockholder hereunder shall be limited to an
amount equal to the net proceeds to such Stockholder of Registrable Shares sold
in connection with such registration.

               (c)  Each party entitled to indemnification under this Section
(the "Indemnified Party") shall give notice to the party required to provide
indemnification (the "Indemnifying Party") promptly after such Indemnified Party
has actual knowledge of any claim as to which indemnity may be sought, and shall
permit the Indemnifying Party to assume the defense of any such claim or any
litigation resulting therefrom; PROVIDED, HOWEVER, that counsel for the
Indemnifying Party, who conduct the defense of such claim or litigation, shall
be approved by the Indemnified Party (whose approval shall not be unreasonably
withheld); PROVIDED, FURTHER the failure of any Indemnified Party to give notice
as provided herein shall not relieve the Indemnifying Party of its obligations
under this Section except to the extent that the Indemnifying Party is adversely
affected by such failure. The Indemnified Party may participate in such defense
at such party's expense; PROVIDED, HOWEVER, that the Indemnifying Party shall
pay such expense if representation of such Indemnified Party by the counsel
retained by the Indemnifying Party would be inappropriate due to actual or
potential differing interests between the Indemnified Party and any other party
represented by such counsel in such proceeding; PROVIDED FURTHER that in no
event shall the Indemnifying Party be required to pay the expenses of more than
one law firm per jurisdiction as counsel for the Indemnified Party. The
Indemnifying Party also shall be responsible for the expenses of such defense if
the Indemnifying Party does not elect to assume such defense. No Indemnifying
Party, in the defense of any such claim or litigation shall, except with the
consent of each Indemnified Party, consent to entry of any judgment or enter
into any settlement which does not include as an unconditional term thereof the
giving by the claimant or plaintiff to such Indemnified Party of a release from
all liability in respect of such claim or litigation, and no Indemnified Party
shall consent to entry of any judgment or settle such claim or litigation
without the prior written consent of the Indemnifying Party, which consent shall
not be unreasonably withheld.

               (d)  In order to provide for just and equitable contribution in
circumstances in which the indemnification provided for in this Section 2.6 is
due in accordance with its terms but for any reason is held to be unavailable to
an Indemnified Party in respect to any losses, claims, damages and liabilities
referred to herein, then the Indemnifying Party shall, in lieu of indemnifying
such Indemnified Party, contribute to the amount paid or payable by such
Indemnified Party as a result of such losses, claims, damages or liabilities to
which such party may be subject in such proportion as is appropriate to reflect
the relative fault of the Company on the one hand and the Stockholder on the
other in connection with the statements or omissions which resulted in such
losses, claims, damages or liabilities, as well as any other relevant equitable
considerations. The relative fault of the Company and the Stockholders shall be
determined by reference to, among other things, whether the untrue or alleged
untrue statement of material fact related to information supplied by the Company
or the Stockholders and the parties' relative intent, knowledge access to
information and opportunity to correct or prevent

                                       9

<PAGE>   10

such statement or omission. The Company and the Stockholders agree that it would
not be just and equitable if contribution pursuant to this Section 2.6 were
determined by pro rata allocation or any other method of allocation which does
not take account of the equitable considerations referred to above.
Notwithstanding the provisions of this paragraph of Section 2.6, (a) in no case
shall any one Stockholder be liable or responsible for any amount in excess of
the net proceeds received by such Stockholder from the offering of Registrable
Shares and (b) the Company shall be liable and responsible for any amount in
excess of such proceeds; PROVIDED, HOWEVER, that no person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Securities Act)
shall be entitled to contribution from any person who was not guilty of such
fraudulent misrepresentation. Any party entitled to contribution will, promptly
after receipt of notice of commencement of any action, suit or providing against
such party in respect of which a claim for contribution may be made against
party or parties under this Section, notify such party or parties from whom
contribution may be sought, but the omission so to notify such party or parties,
from whom contribution may be sought shall not relieve such party from any other
obligation it or they may have thereunder or otherwise under this Section. No
party shall be liable for contribution with respect to any action, suit,
proceeding or claim settled without its prior written consent, which consent
shall not be unreasonably withheld.

          2.7  INFORMATION BY HOLDER. Each holder of Registrable Shares included
in any registration shall furnish to the Company such information regarding such
holder and the distribution proposed by such holder as the Company may
reasonably request in writing and as shall, be required in connection with any
registration, qualification or compliance referred to in this Agreement.

     3.   TRANSFERS OF RIGHTS. The rights and obligations of the Investor under
Section 2 may be assigned solely to any affiliate(s) of the Investor. In the
event of any such assignment, the transferee must provide written notice of such
assignment to the Company and agree in writing to be bound by the applicable
provisions of this Agreement.

     4.   GENERAL.

               (a)  SEVERABILITY. The invalidity or unenforceability of any
provision of this Agreement shall not affect the validity or enforceability, of
any other provision of this Agreement.

               (b)  SPECIFIC PERFORMANCE. In addition to any and all other
remedies that may be available at law in the event of any breach of this
Agreement, each Investor shall be entitled to specific performance of the
agreements and obligations of the Company hereunder and to such other injunctive
or other equitable relief as may be granted by a court of competent
jurisdiction.

               (c)  GOVERNING LAW. This Agreement shall be governed and
construed in accordance with the internal laws of the Commonwealth of
Massachusetts (without reference to the conflicts of law provisions thereof).

               (d)  NOTICES. All notices, requests, consents, and other
communications under this Agreement shall be in writing and shall be deemed
delivered (i) two business days

                                       10

<PAGE>   11

after being sent by registered or certified mail, return receipt requested,
postage prepaid or (ii) one business day after being sent via a reputable
nationwide overnight courier service guaranteeing next business day delivery, in
each case to the intended recipient as set forth below:

          If to the Company, at 100 Brickstone Square, Andover, Massachusetts
01810, Attention: President, or at such other address or addresses as may have
been furnished in writing by the Company to the Investor, with a copy to (i)
Mark G. Borden Esq., Hale and Dorr LLP, 60 State Street, Boston, Massachusetts
02109-1803, and (ii) Constantine Alexander, Esq., Nutter McClennen & Fish LLP,
One International Place, Boston, MA 02110-2699;

          If to the Investor, at the address, set forth herewith its signature
hereto with a copy to General Counsel (Office of the Corporate Secretary), CPQ
Holdings, Inc., c/o Compaq Computer Corporation, 20555 State Highway 249,
Houston, Texas 77070-2698;

          Any party may give any notice, request, consent or other communication
under this Agreement using any other means (including, without limitation,
personal delivery, messenger service, telecopy, first class mail or electronic
mail), but no such notice, request, consent or other communication shall be
deemed to have been duly given unless and until it is actually received by the
party for whom it is intended. Any party may change the address to which
notices, requests, consents or other communications hereunder are to be
delivered by giving the other parties notice in the manner set forth in this
Section.

               (e)  COMPLETE AGREEMENT. This Agreement constitutes the entire
agreement and understanding of the parties hereto with respect to the subject
matter hereof and supersedes all prior agreements and understandings relating to
such subject matter including, without limitation, the Prior Rights Agreement.

               (f)  AMENDMENTS AND WAIVERS. Any term of this Agreement may be
amended or terminated and the observance of any term of this Agreement may be
waived (either generally or in a particular instance and either retroactively or
prospectively), with the written consent of the Company and the Investor.

               (g)  PRONOUNS. Whenever the context may require, any pronouns
used in this Agreement shall include the corresponding masculine, feminine or
neuter forms, and the singular form of nouns and pronouns shall include the
plural, and vice versa.

               (h)  COUNTERPARTS; FACSIMILE SIGNATURES. This Agreement may be
executed in any number of counterparts, each of which shall be deemed to be an
original, and all of which together shall constitute one and the same document.
This Agreement may be executed by facsimile signatures.

               (i)  SECTION HEADINGS. The section headings are for the
convenience of the parties and in no way alter, modify, amend, limit or restrict
the contractual obligations of the parties.

                           [Signature Pages to Follow]

                                       11

<PAGE>   12

          Executed as of the date first written above.

                                        COMPANY:

                                        ENGAGE, INC.

                                        By:  /s/ Stephen A. Royal
                                            -----------------------------------
                                        Name: Stephen A. Royal
                                            -----------------------------------
                                                  CFO
                                         Title: -------------------------------

                                        INVESTOR:

                                        CPQ HOLDINGS, INC.

                                        By:  /s/ Jesse A. Greene, Jr.
                                            -----------------------------------
                                        Name: Jesse A. Greene, Jr.
                                            -----------------------------------
                                                  President
                                         Title: -------------------------------

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