| http://www.w3.org/ns/prov#value | - Although the digital content store system and methods of use are described herein primarily in connection with the secure purchase, delivery and playback of music, i.e. songs and/or albums, the apparatus and techniques can be implemented for a wide variety of digital content, such as a wide variety of audio content, e.g. songs, dialog, discussion, video content, multimedia content, game or video g
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