Announced by the charming and small Felicia Day earlier today at Microsoft's E3 media briefing, both Twitter and Facebook integration are coming to Xbox LIVE this Fall.
Visually, it's seamlessly integrated with the existing NXE interface. Functionally, it should work that way as well -- you'll be able to view updates, photos, and add friends to your Xbox LIVE list right from the Xbox 360 Facebook/Twitter applications.
Photo Gallery: (11 images)
Click to zoom - browse by swipe, or use arrow keys
can cause it. You can fix it by adding *.disqus.com to your whitelists.