Systems and methods provide for controlling download and playback of media content. A system includes a client, which can play content, and a server. The server includes a permission system that can determine whether a client request to download or play content should be granted. All purchase, download,...http://www.google.fr/patents/US8074083?utm_source=gb-gplus-shareBrevet US8074083 - Controlling download and playback of media content
Controlling download and playback of media content
