| 摘要 |
A system (100) for re-selling DRM content (120) can have advertising (AD) contents (140) attached thereto. The system can include a rights issuer (RI) (171) for providing re-sale rights to access and re-sell DRM content provided by a content provider, and a presentation module (PM) (172) for presenting the DRM content with AD content. The PM can present the DRM contents with AD contents if the DRM contents are not purchased with an advertisement suppression option (123). Alternatively, the PM can present the DRM content without AD contents if the DRM contents are purchased with advertisement suppression option. An AD key (145) can be distributed upon purchase of the advertisement suppression option to suppress the presentation of AD content with the DRM content. The AD contents can be updated before re-sale and the DRM contents or a DRM key (125) can be removed from the seller upon the re-sale.
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