| 摘要 |
<P>PROBLEM TO BE SOLVED: To properly apply an affiliate program to a digital content. <P>SOLUTION: The affiliate program is materialized by use of this content data including a structure comprising the digital content 11, and an extractable identifier 12 showing an extractable portion capable of being extracted when creating a digest-version content of the digital content 11. A copyrighter or the like can designate a portion capable of being extracted when creating a digest version about the digital content easy to copy. The extractable portion is thought as a portion approved with the copy by the copyrighter, so that there is no problem of infringement of copyright. When audition opportunity is imparted about the created digest version, purchase of the perfect-version digital content can be prompted. When the purchase is performed, the affiliate program can be applied by paying a result reward to a person introducing the digest version. <P>COPYRIGHT: (C)2009,JPO&INPIT |
