From NBCOlympics.com: "In addition, the site itself will offer more than 3,500 hours of exclusive video, including 2,200 hours of live streams, plus full-event

From NBCOlympics.com: "In addition, the site itself will offer more than 3,500 hours of exclusive video, including 2,200 hours of live streams, plus full-event replays and extensive highlights -- all free and on demand throughout the Games. Powered by MSN's Silverlight technology, NBCOlympics.com's video will allow users to further customize their experience -- whether by selecting picture-in-picture functionality, watching simultaneous views of multiple events, or setting on-screen alerts and more. This same Olympic video will also be available on mobile devices and cable VOD packages."