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 acquistion of a locally cached playback token in response to playback of the predetermined content. The...http://www.google.fr/patents/US20070294773?utm_source=gb-gplus-shareBrevet US20070294773 - OFFLINE PLAYBACK OF ADVERTISING SUPPORTED MEDIA
Numéro de demande: 11/424,211 Numéro de publication: US 2007/0294773 A1 Date de dépôt: 14 juin 2006 Brevet délivré: US7975310 ( Date de délivrance 5 juil. 2011)
