https://www.dotnetzone.gr:443/cs/blogs/birbilis/archive/2009/10/18/xbox360-live-updates-preview-facebook-twitter-last-fm-zune.aspxIf you're in one of the supported countries for the Xbox LIVE service, you can apply for testing its upcoming features, like facebook, twitter, last.fm and zune integration. You can sign up at Microsoft Connect website. Mind you though that trying incompleteelCommunityServer 2.1 SP3 (Build: 20423.1)