Offline playback of advertising supported media

摘要

Enforcing rendering of advertisements and other predetermined media content in connection with playback of download selected media content. Playback of selected media content is made conditional on acquisition of a locally cached playback token in response to playback of the predetermined content. The playback token may be implemented as a digital rights management (DRM) license acquired from a local cache in response to playback of the predetermined content. Another aspect involves a downloading ads or other predetermined content with associated playback tokens in a local cache.