A few updates were discovered that Microsoft didn't tell us that are coming to the Xbox 360 with the Facebook/Twitter update. There will probably be a lot of little stuff in the update that tweaks and fixes things. Often those are the best things about the updates the social networking shit.
First of all, music games like Lips, Guitar Hero and Rock Band will be getting their own dedicated stores on the Xbox Live Marketplace, making it even easier to buy Timbaland songs. Brilliant! A brand new channel called "News and More" is also coming. This channel will stream the latest headlines from MSNBC.com, MSN Autos, The New Yorker and Dilbert.