A digital content distribution and subscription system for digital data files, such as digital audio and video data files, which provides subscribers, for example, with music or video from locally-stored digital files or on demand for a fee. The system may optionally provide streaming digital data as...http://www.google.com/patents/US20040024688?utm_source=gb-gplus-sharePatent US20040024688 - Digital content distribution and subscription system
Digital content distribution and subscription system
