AIM 7.1 merges Facebook, Twitter, and YouTube with a new service called Lifestream. In addition to that you can now chat directly with Facebook users without having to be on Facebook.
AIM Becomes Relevant Again

Exploring Stuff That Makes Life Great
AIM 7.1 merges Facebook, Twitter, and YouTube with a new service called Lifestream. In addition to that you can now chat directly with Facebook users without having to be on Facebook.