UltraViolet could mean you'll really 'own' that movie
A group of Hollywood studios and technology companies has come up with a system for buying digital movies and TV shows that's supposed to do away with the problem of content being locked to a narrow set of devices by the company that sold it.
http://rss.macworld.com/click.phdo?i=5d12eebb6372e87a7f4ea4f9db648d97