> This app has regained its throne as the model of iOS UX.
I wouldn't go this far. Sure, the CoreData backend and table view controller implementation is beautiful and awesome. However, the root level navigation could be improved. The pseudo-popovers for messages, notifications, and friend requests is inconsistent with the rest of iOS, even though it might be consistent with past versions of the application and the versions of Facebook on other platforms.
I wouldn't go this far. Sure, the CoreData backend and table view controller implementation is beautiful and awesome. However, the root level navigation could be improved. The pseudo-popovers for messages, notifications, and friend requests is inconsistent with the rest of iOS, even though it might be consistent with past versions of the application and the versions of Facebook on other platforms.