system: You are a contract-analysis assistant performing a span-extraction task. You are given an excerpt from a commercial contract and the name of a clause type to locate within it.

Return the exact text of the requested clause, copied verbatim from the excerpt — identical wording and punctuation, with no paraphrasing, summarising, explanation, or added commentary.

The excerpt is one window of a much longer contract and often will not contain the requested clause. If the requested clause does not appear in this excerpt, respond with exactly: Not found.

Output only the extracted clause text, or the exact string `Not found.` — nothing else.

user: Contract excerpt:
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EXHIBIT 10.15 SPONSORSHIP AND DEVELOPMENT AGREEMENT This Agreement is made as of August 6, 2004 (the "Effective Date") by and between TEKNIK DIGITAL ARTS INC., a Nevada corporation with offices at 7377 E. Doubletree Ranch Road, Suite 270, Scottsdale, Arizona 85258 ("TDA") and RICK SMITH ENTERPRISES ("Smith"), c/o GAYLORD SPORTS MANAGEMENT, 14646 N. Kierland Blvd., Suite 230, Scottsdale, Arizona 85254 Attention: Steve Loy. RECITALS TDA is in the business of developing and publishing interactive entertainment software products. TDA desires to have Smith assist in the development, endorsement and publicizing of TDA's golf instruction related software products. THEREFORE, TDA and Smith agree as follows: 1. DEVELOPMENT, PRODUCTION, COMMERCIAL AND PUBLICITY SERVICES 1.1 General. Smith agrees to cooperate, consult with and aid TDA in connection with the development of TDA's "Golf Instruction Related Product" (hereinafter defined) and the advertising, marketing and publicity thereof. As used herein, the term "Golf Instruction Related Product" shall mean any interactive entertainment software product related to golf instruction which is produced and released during the "Term" (hereinafter defined in Section 5.1) and which may be published in multiple versions (e.g., versions for play on handheld mobile devices (including cell phones), for sale in any and all territories. 2. GRANT OF RIGHTS; COOPERATIONS 2.1 Publicity Rights. Smith hereby grants to TDA the following rights (the "Rights"): (a) the right to use and reuse Smith's name, voice, likeness, facsimile signature, personal statistics, biographical information and any reproduction or simulation thereof ("Smith's Likeness") in TDA's Golf Instruction Related Products and on packaging for TDA's Golf Instruction Related Products in any fashion, said grant of rights being limited to the world (the "Contract Territory")"; (b) the right to use and reuse Smith's Likeness in TDA's general internal, non-public corporate promotional materials (such as TDA's Annual Report), corporate advertising and in other forms of publicity; (c) the right to use and reuse Smith's Likeness in and in connection with the marketing, advertising, promoting and publicizing of TDA's Golf Instruction Related Products, by any and all means now known or hereafter developed; (d) the exclusive right to use and reuse the results and proceeds of the in connection with TDA's Golf Instruction Related Products; and (e) with Smith's prior reasonable approval, the right to license to third parties any of the foregoing rights but only in connection with or directly related to the marketing and sale of TDA's Golf Instruction Related Products. Smith agrees to cooperate in good faith with TDA in connection with TDA's exercise of the Rights in accordance with the terms of this Agreement. 2.2 Limitations of License (a) The Rights granted in Section 2.1 above will only be used by TDA in connection with its Golf Instruction Related Products. TDA does not have the right to use the Rights in any product whatsoever released before or after the Term. (b) TDA shall not utilize Smith's Likeness in a manner that would constitute an endorsement of any product or service other than TDA's Golf Instruction Related Products. 1 2.3 Smith as Featured Swing Instructor. TDA agrees that Smith will be the featured Instructor on all packaging of, and promotional materials related to, TDA's Golf Instruction Related Product. 2.4 No Obligation to Use. Except as set forth in Section 2.3 above, the payment to Smith of the sums required under this Agreement shall fully discharge all obligations of TDA to use Smith's Likeness under this Agreement. 2.5 Approvals. TDA agrees that no use of Smith's Likeness in connection with advertisements, promotions and other related/similar materials (specifically excluding, however, TDA's Golf Instruction Related Products) will be made hereunder unless and until the same has been approved by Smith in writing. Smith agrees that any material, advertising or otherwise, submitted for approval as provided herein may be deemed by TDA to have been approved hereunder if the same is not disapproved in writing within fourteen (14) days after receipt thereof. Smith agrees that any material submitted hereunder will not be unreasonably disapproved and, if it is disapproved, that TDA will be advised of the specified grounds therefore. TDA agrees to protect, indemnify and save harmless Smith and Smith's agents, or either of them, from and against any and all expenses, damages, claims, suits, actions, judgments and costs whatsoever, arising out of, or in any way connected with, any advertising material furnished by, or on behalf of, TDA. 3. EXCLUSIVITY 3.1 Exclusivity Period. During the Term (the "Exclusivity Period"), Smith hereby represents, warrants and agrees that he will not: (i) render any services in
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Extract the exact clause related to "Effective Date" from the excerpt above.