just posted on his twitter two videos of some demonstrations shown at E3... they are demonstrating some of the new features and games coming to Xbox Live.
Games on Demand, Avatar Marketplace, XBLA Games, 1 Vs 100
http://www.youtube.com/watch?v=93WUWFOq ... re=related
Xbox 360, Sky, Football, Last Fm, Facebook, FB Connect, Twitter
http://www.youtube.com/watch?v=GWqOz5Qc ... re=related