Facebook's iPhone app is one of the most popular apps for the device. Version 3.1 brings some killer features to an already strong offering. Push notifications and address book sync, new in this version, are welcome additions.
Push notifications are a very logical addition. They have become Apple's compromise for not allowing apps to run in the background. Instead of having to fire up the Facebook app all the time to see if anything is new, you can now opt to get push notifications for new messages, wall posts, friend requests, friend confirmations, photo tags, events, and … Read more