Facebook's standalone chat client called Messenger has been updated yesterday to version 2.0. In addition to bug fixes and support for iOS 6 and the iPhone 5's taller four-inch display (so you can see more messages with less scrolling), the app comes with the handy new Favorites feature and the interface has been tweaked around chat bubbles. I also weigh in on why you'll want to keep the chat app and the full-blown Facebook client both running on your device...
Facebook Messenger refreshed with chat bubbles, iPhone 5 support, Favorites