Document:

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                                                                   EXHIBIT 10.17

                                                                  Execution Copy

                                   Agreement

This agreement (the "Agreement") is made as of February 1, 1999 by and between
Replay Networks, Inc., 1003 Elwell Court, Palo Alto, CA 94303 ("Replay") and
Showtime Networks Inc., 1633 Broadway, New York, NY 10019 ("SNI").

The parties, for good and valuable consideration, the receipt and adequacy of
which are hereby acknowledged, agree as follows:

           1. The term of this Agreement shall commence as of February 1, 1999
and expire on January 31, 2000 (the "Term") unless earlier terminated in
accordance with this Agreement. The Term shall be extended automatically for one
(1) twelve-month period thereafter unless either party notifies the other in
writing at least [***] prior to [***] of its desire not to so extend the Term of
this Agreement.

          2. Replay shall use the "Network Content" (as defined below) provided
to Replay by SNI as contemplated in Section 3 below to create promotional areas
(currently known as "Replay Channels" and "Replay Zones") for the "SNI Services"
(as defined in Paragraph 3 below) that will be accessible to users of the
"Replay Network Service" (as defined below) from Replay's primary "Replay
Channel" and "Replay Zone" video-interface screens. For the purposes hereof, the
term "Replay Network Service" shall mean the electronic program guide and other
features (including customization of television lineups and easy, one-touch
record capability) provided by Replay that enable owners of Replay's
receiver/storage devices ("ReplayTV Units") to customize their television
viewing. Replay shall offer at all times throughout the Term the ability for
each user of the Replay Network Service the capability to create at least [***]
for each SNI Service (each, an "SNI Replay Channel") and [***] for all of the
SNI Services (the "SNI Replay Zone"); provided that SNI acknowledges and agrees
that each Replay Zone will only accommodate up to approximately [***] Replay
Channels and that, as such, if there are greater than [***] SNI Services, a user
of the Replay Network Service may not be able to include all of the SNI Replay
Channels for the SNI Services in [***] SNI Replay Zone. SNI Replay Channels may
be deleted from an SNI Replay Zone by a Replay Network Service subscriber,
however, the SNI Replay Zone may not be deleted. Replay and SNI shall mutually
agree on the look and feel for a template to serve as the basis for each of the
SNI Replay Channels and the SNI Replay Zone. SNI shall produce and maintain
network content for the SNI Replay Zone and SNI Replay Channels throughout the
Term of this Agreement. SNI and Replay shall establish and implement a process
which will allow SNI to update, modify, delete or otherwise alter Network
Content on each SNI Replay Channel and the SNI Replay Zone on no less than a
weekly basis via a dial-up telephone modem line or other mutually agreed upon
electronic interface methodology. In addition to, and without limiting the
foregoing, SNI shall be responsible for the look and feel of each SNI Replay
Channel and the SNI Replay Zone. SNI will upload changes to the look and feel of
any or all of the SNI Replay Channels and the SNI Replay Zone as it deems
necessary and Replay will subsequently integrate those new elements into the
Replay Network Service and disseminate those elements to ReplayTV Units on a
timely basis. In addition, Replay shall, prior to factory shipment, make
reasonable efforts to load onto the hard

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disk of each ReplayTV Unit to be shipped during the Replay release 1.0 version
of its software, approximately [***] of promotional programming (to be supplied
by SNI in a mutually agreed upon format to Replay [***] days prior to loading)
exclusively promoting the SNI Services. SNI will update the supplied promotional
programming on a mutually agreed upon schedule. SNI shall pay Replay a [***]
set-up fee of [***] to cover Replay's manufacturing costs to pre-load the
promotional programming on the hard disks of the ReplayTV Units. Replay shall
invoice SNI for this fee within [***] days after the first number of ReplayTV
Units are pre-loaded and shipped. SNI shall pay the fee within [***] days after
receipt of the invoice.

          3. SNI shall provide Replay with certain program information, text,
pictures, graphics, sound, video and other data (collectively, the "Network
Content") related to each of the television program services currently known as
Showtime, The Movie Channel, Sundance Channel and Flix (together with such
services' multiplex (including but not limited to Showtime Extreme) and time
zone feeds, the "SNI Services"). SNI will be responsible for creating,
selecting, producing and providing all Network Content (within Replay
specifications to be supplied by Replay to SNI) and for clearing all rights and
obtaining all requisite consents for the use of the Network Content in the
manner contemplated by this Agreement. The selection, substitution and
withdrawal of any element of the Network Content shall at all times remain
within the sole discretion of SNI and may be changed or altered at any time by
SNI without notice. Replay shall not make any alterations, amendments, additions
or deletions to any of the Network Content (including without limitation credit
obligations, copyright and trademark notices and the like) or to any SNI Replay
Channel or SNI Replay Zone except at the request of SNI.

          4. Prior to the date that Replay first ships consumer units (such date
referred to herein as "FCS"), Replay shall provide to SNI [***] beta test
ReplayTV Units [***] and promptly following FCS, Replay shall provide to SNI
[***] additional ReplayTV Units. Replay shall make an additional [***] ReplayTV
Units available for purchase by SNI at [***] plus shipping and handling. All of
the foregoing ReplayTV Units shall contain the highest memory/storage capability
available at the time such ReplayTV Units are provided to SNI in the case of the
[***] ReplayTV Units and purchased by SNI in the case of the [***] plus shipping
and handling priced ReplayTV Units.

          5. All right, title and interest in and to any and all Network Content
and any and all content or material provided to Replay by SNI for the purpose of
creating the SNI Replay Channels and the SNI Replay Zone shall remain the
property of SNI. Replay acknowledges and agrees that all trade names, trademarks
and service marks of SNI and its program suppliers (the "Marks") shall remain
the property of SNI or such program supplier, as applicable, and nothing in this
Agreement shall confer on Replay any right of ownership in or to any such Marks
and all uses of such Marks shall inure to the benefit of SNI or such program
supplier, as applicable.

          6. Replay shall provide the SNI Service known as "Showtime" with [***]
positioning on the Replay Network Service comparable to any and all other
programming networks and services which appear on the Replay Network Service
(including [***]).

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No changes shall be made to the [***] of such positioning on the Replay Network
Service without the prior written consent of SNI. In addition, Replay shall use
its best reasonable efforts to afford each of the other SNI Services [***]
placement on the Replay Network Service. Furthermore, in the event that Replay
has surplus promotional inventory within the Replay Network Service, then Replay
shall make that surplus inventory available to SNI on a basis [***] than any
other similarly situated sponsor to allow SNI to provide additional video and
graphic information relating to the television programming being offered by SNI.

          7. Replay shall collect [***] viewership and usage data on a [***]
basis, subject to technical capability, during the Term from subscribers to the
Replay Network Service and shall make that data available to SNI within [***]
following the [***] as to which the data applies; provided that such data will
only be made available to SNI as permitted by law and by Replay's agreement with
its subscribers to the Replay Network Service. Replay will also provide SNI the
ability to conduct reasonable qualitative and/or quantitative research among
Replay Network Service users that also subscribe to SNI movie-based television
services. For the purpose of conducting said research (and not for the purposes
of sale to third parties), upon SNI's request, Replay will provide SNI's
designated third party research vendor with access to Replay Network Service
users via telephone contact information. No contact information shall be
provided by such third party research vendor to SNI and all data obtained from
Replay Network Service users by such third party research vendor is to be shared
and used by SNI and Replay for their own internal research purposes with strict
respect to privacy of such Replay Network Service users.

          8. Within [***] after execution of this Agreement by both parties, SNI
shall pay to Replay [***] setup fee in the amount of [***] for the creation of
software required to program the SNI Replay Zone. Replay shall bear any and all
additional costs and expenses incurred by it in the performance of its
obligations under this Agreement and SNI shall bear all costs and expenses
incurred in the creation of the Network Content.

          9. SNI shall make reasonable efforts to provide Replay with the
opportunity to sponsor select Showtime events during the Term of this Agreement.
The terms of each sponsorship opportunity shall be negotiated in good faith at
the time of the particular sponsorship opportunity. SNI shall provide a link
from SNI's website to Replay's website and Replay shall provide a reciprocal
link from Replay's website to destination URL specified by SNI. SNI shall have
the right to display the Replay logo on SNI advertising and promotional
materials. Such logo may be displayed as a small icon in a peripheral portion of
the Showtime advertisement or promotion. Replay shall have the right to display
the Showtime logo and name in a peripheral portion of Replay advertisements and
promotional materials provided that Replay first obtains the prior written
consent of SNI as to each such use.

              10.  If Replay at any time has entered or hereafter enters into an
agreement with any other person or entity (including without limitation any
subsidiary, division or business unit of Viacom Inc.) for the inclusion of such
person's or entity's programming as part of the Replay Network Service which
agreement embodies provision(s) which is(are) more favorable to such person
or entity than the corresponding provisions contained in this Agreement (a "More
Favorable Provision(s)"),

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then Replay shall promptly make such More Favorable Provision(s) available to
SNI for application by SNI to the SNI Services.

          11. In the event that any subsidiary, division or business unit of
Viacom Inc. has entered into or hereafter enters into an agreement with Replay
to participate in the Replay Network Service, Replay shall, at a minimum, make
available to such subsidiary, division or business unit an agreement on the
terms and conditions set forth herein for the duration of this Agreement.

          12. Each party hereto and its employees and representatives shall keep
confidential the terms and conditions of this Agreement and any and all data,
reports and information relating thereto or derived thereunder (including
without limitation Replay keeping confidential (other than providing such
information to SNI) any and all usage data or other similar information
pertaining to the SNI Services) except (a) if required by a valid subpoena
issued by a court of competent jurisdiction or other governmental agency or
franchise authority (in which event the disclosing party shall (i) give the
other party reasonable notice of such intended disclosure (in advance if
practicable) and (ii) use its diligent efforts to request confidentiality of all
information subject to disclosure), (b) if required by governmental laws or
regulations (including SEC filings or franchise authorities), (c) as part of its
normal reporting or review procedure to its parent company, its auditors, legal
advisors, bankers or investment bankers; provided, however, that the disclosing
party agrees to (i) require such parent company, its auditors, legal advisors,
bankers or investment bankers to be bound by this Section 12 and (ii) be
responsible for any breach of the provisions of this Section 12 by such parent
company, its auditors, legal advisors, bankers or investment bankers; (d) in
order to enforce its rights or perform its obligations pursuant to this
Agreement; provided, however, that prior to such disclosure under this subclause
(d) such party shall request confidential treatment of such information; and (e)
in any other instance, if mutually agreed by the parties, in advance of such
disclosure, in writing.

          13. Neither party may issue a press release or other public
announcement concerning this Agreement, or the activities contemplated hereby,
without the prior written consent (not to be unreasonably withheld) of the other
party to this Agreement as to the content and timing of such press release or
other announcement.

          14. Commencing as of the date of this Agreement and continuing
throughout the Term, Replay and SNI shall use reasonable efforts to create and
employ on the Replay Network Service additional promotional offerings regarding
the SNI Services. Replay and SNI shall mutually agree, in good faith on a
project-by-project basis, the amount of financial, creative, production and
technical resources each party shall commit to the development and
implementation of each such additional project. Specifically, Replay and SNI
shall jointly develop thematic virtual channels relating exclusively to the SNI
Services to be made available as a feature of the Replay Network Service. Replay
and SNI shall also use reasonable efforts to create and employ as part of the
Replay Network Service enhanced promotional offerings relating exclusively to
the SNI Services using added value elements such as [***] which will be [***] of
the telecast of the [***] to which such

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promotional offering relates and [***] by any user that has also selected to
[***] the particular long-form program (subject to the limits of the ReplayTV
Unit's [***] and network [***]). SNI shall be responsible for supplying [***] to
Replay all such added value programming content and Replay shall be responsible
for [***].

          15.  Replay will indemnify, defend and hold harmless SNI and its
affiliated companies (and each of their respective present and former employees,
agents, directors, shareholders and parent and subsidiary companies) against and
from any and all claims, damages, penalties, liabilities, costs and expenses
(including, without limitation, reasonable fees and disbursements of counsel and
court costs) arising out of or relating to (a) the use of any of Replay's
equipment or software, to the extent that such use infringes, or is alleged to
infringe, any copyright, mask work, patent or trademark, or misappropriates, or
is alleged to misappropriate, any trade secret, or violates or is alleged to
violate any other right of any third party, (b) any failure on the part of
Replay or Replay's equipment or software to be in compliance with any law, rule,
regulation or court or administrative decree to which it is subject, (c) any
failure on the part of Replay to have acquired good title to each and every
property right (whether relative to tangible or intangible property) or any
license, usage or other right necessary to effectuate the acts or performances
contemplated by, or failure to satisfy any obligations imposed on Replay
pursuant to, this Agreement, (d) any personal injury, property damage or other
injury sustained by others that is alleged or proven to have been caused by
Replay's equipment or software (or any equipment, technologies, processes or
component used in such equipment or software) or (e) any breach or alleged
breach by Replay of any of its representations, warranties, covenants or
undertakings in this Agreement.

          16.  SNI will indemnify, defend and hold harmless Replay and its
affiliated companies (and each of their respective present and former employees,
agents, directors, shareholders and parent and subsidiary companies) against and
from any and all claims, damages, penalties, liabilities, costs and expenses
(including, without limitation, reasonable fees and disbursements of counsel and
court costs) arising out of or relating to (a) any claim that the Network
Content (i) infringes on, or constitutes a misappropriation of any third party's
copyright, patent, trademark, trade secret or other proprietary or intellectual
property right, or right of publicity or privacy; (ii) is defamatory or trade
libelous; (iii) is lewd, pornographic or obscene; or (iv) violates any laws
regarding unfair competition, anti-discrimination or false advertising (provided
that Replay shall, to like extent, indemnify, defend and forever hold SNI and
the corresponding SNI entities, harmless from and against any and all claims,
damages, penalties, liabilities, costs and expenses (including, without
limitation, reasonable fees and disbursements of counsel and court costs)
arising out of any deletion from, alteration of, or addition to, the Network
Content by Replay or creation of any material by Replay (such as the creation of
promotional materials)), or (b) any breach or alleged breach by SNI of any of
its representations, warranties, covenants or undertakings in this Agreement.

          17.  All parties shall be required to negotiate in good faith any
provision in this Agreement requiring mutual agreement of the parties or any
provision that contemplates the parties having to determine matters necessary to
effectuate the purposes of this Agreement after

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the execution hereof. The provisions of this Agreement are for the exclusive
benefit of the parties who are signatories hereto and their permitted successors
and assigns, and no third party shall be a beneficiary of, or have any rights by
virtue of, this Agreement (whether or not such third party is referred to
herein). Nothing contained herein shall be deemed to create a joint venture,
partnership, principal/agent relationship or other fiduciary relationship
between the parties hereto. This Agreement (including any Attachments attached
hereto) sets forth the entire understanding and agreement of the parties hereto
regarding the subject matter hereof, and supersedes all prior agreements,
statements, negotiations and understandings (whether written or oral) among the
parties hereto regarding such subject matter. This Agreement may not be altered,
amended, or modified except by a subsequent writing signed by the parties hereto
that specifically references this Agreement. Any ambiguities shall be resolved
without reference to which party may have drafted this Agreement.

     18.  THIS AGREEMENT SHALL BE GOVERNED BY THE LAWS OF THE STATE OF NEW YORK
APPLICABLE TO CONTRACTS MADE AND TO BE WHOLLY PERFORMED THEREIN. REPLAY AND SNI
EACH CONSENTS TO SERVICE OF PROCESS BY CERTIFIED MAIL, RETURN RECEIPT REQUESTED
AT THE ADDRESS FOR SUCH PARTY SET FORTH ABOVE.

     19.  This Agreement may be executed in any number of counterparts, each of
which shall be deemed an original but all of which shall constitute one and the
same instrument.

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed
by their duly authorized representatives as of the date first written above.

SHOWTIME ONLINE INC.                         REPLAY NETWORKS, INC.

By:   /s/ Jefferson Morris                   By:    /s/ Michael D. Kornet
   ----------------------------                 -------------------------
   Name:  Jefferson Morris                      Name:   Michael D. Kornet
   Title: SVP, New Media                        Title:  Vice President,
                                                        Business Development
                                                        Media & New Media

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                                                                   EXHIBIT 10.18

                                                                   July 30, 1999

Mr. Martin Yudkovitz
President
National Multimedia Inc.
30 Rockefeller Plaza
New York, New York 10112

               Re: Replay Zones /Advertising
                   -------------------------

Dear Marty:

Replay is pleased to have National Broadcasting Company, Inc. ("NBC") join its
group of investors in its Series E financing.  NBC will invest $5 million
dollars under the terms of the Series E financing. Additionally, this letter
agreement (the "Agreement") shall embody the agreement between Replay and NBC on
the following issues:

1)   The term of this Agreement shall commence on the date hereof and end on
     July 31, 2002 (the "Term"); provided, that if in NBC's good faith judgment
     Replay fails to comply with Section 2 hereof, then NBC shall have the
     option to extend the Term for a period of three (3) years by providing
     written notice to Replay.

2)   Replay will use its best efforts to address concerns related to how the use
     of the [***] on the Replay remote affects advertising. Specifically,
     within the [***] period after the date hereof Replay will consult with its
     investors and advertisers to determine the best course of action to
     encourage both advertiser and viewer support for the category of
     personalized television and shall use its best efforts to take such action
     in connection with the Replay service (the "Replay Network Service").
     During this review process, Replay will no longer [***] the [***]
     functionality in advertisements or marketing materials, including without
     limitation in brochures, press releases and on the ReplayTV website.

3)   Replay will provide to NBC [***] Replay Zone [***] during the Term. NBC
     shall receive additional Replay Zones at a cost that is equal to the [***]
     of (a) [***] of the Replay ratecard rate for the sponsorship of a Replay
     Zone, and (b) [***] charged to [***]. "Replay Zone" means an area which may
     be directly linked to from the Replay Zone Guide which features programming
     designated by the applicable NBC television network (each, an "NBC
     Network"); provided, that Replay shall work in conjunction with

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     NBC creative services to produce each NBC Replay Zone, including special
     programming packages highlighting current programming and upcoming events.

4)   Replay shall promptly develop the Replay Zone Guide in which NBC may
     promote its Replay Zones. Replay shall provide NBC with [***] positioning
     [***] for [***] during the Term. The Replay Zone Guide shall be the primary
     area devoted to displaying Replay's programming partners, and shall be
     directly linked to the main screen of the Replay Network Service.

5)   In regard to lead-in advertisements, lead-out advertisements and insertion
     advertisements surrounding programming that is time shifted from any NBC
     Network will be sold by Replay; provided, that NBC shall have an approval
     right over all advertising sold by Replay, which approval shall be
     exercised in good faith consistent with NBC's business interests, policies
     and practices concerning advertisements or promotional messages to be aired
     on NBC, also taking into account existing sponsorships, category or
     programming exclusivities or similar arrangements that each NBC Network may
     have with certain of its advertisers. This restriction will remain in place
     during the Term. Notwithstanding the foregoing, Replay shall not swap out,
     replace or otherwise alter any advertisements included within any NBC
     Network programs, whether such programs are viewed on a real-time or time-
     shifted basis, without the prior written consent of NBC.

6)   NBC will have the right to appoint one individual who shall serve as an
     observer on Replay's Board of Directors subject to the limitations and
     obligations set forth in the attached Observer Policy letter.

7)   Other terms consistent with terms granted to other major media investors in
     the Series E financing will be negotiated in good faith between Replay and
     NBC. Replay agrees to disclose to NBC the material terms granted to other
     major media investors in the Series E financing to the extent it has the
     right to do so.

8)   The Replay Network Service will not intentionally delete any programming or
     data within the signals that are transmitted by any NBC Network provided
     that this material does not interfere with the Replay Network Service.

9)   The Replay Network Service is intended to provide Internet connectivity as
     soon as it is technology and commercially reasonable to do so. At such
     time, (a) Replay will ensure that any links and/or web content incorporated
     within or otherwise accompanying the signal of each NBC Network will be
     passed through to users of the Replay Network Service provided that this
     material does not interfere with the Replay Network Service and it is
     technology and commercially feasible to do so, and (b) Replay shall
     negotiate in good faith with NBC with respect to placement for the Internet
     assets of NBC and its affiliates.

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10)  Replay shall not modify, alter or re-design the Replay Network Service in a
     manner which shall have a material adverse impact on the rights granted to
     NBC herein.

     If this Agreement is acceptable to you, I would appreciate your indicating
your acceptance of this Agreement by executing this letter at the place
indicated below.

                                     Sincerely,

                                     REPLAY NETWORKS, INC.

                                     By: /s/ Layne Britton
                                         --------------------------------------
                                     Layne Britton
                                     Executive Vice President, Network Services
                                     Replay Networks, Inc.

Agreed and consented to:

NATIONAL BROADCASTING
COMPANY, INC.

By: /s/ Martin Yudkovitz                Date:  July 30,1999
    -----------------------
    Name:  Martin Yudkovitz
    Title: President, NBC MultiMedia, Inc.

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