| 摘要 |
This invention uses the ability of a digital content mediator ("DCM") to track the distribution of digital content-i.e., authenticate the source and destination users/devices, and authorize the transfer based on the specified policies for the identified content. This tracking creates an undisputable audit trail that can be used for authorization and billing purposes. In addition, content that is moved within one home or between devices owned by the same person can be done for "free" as per the fair use provision of the copyright act-the DCM will verify that the devices are in the same home and/or owned by the same person and allow the transfer.
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