Facebook is a Audio & Multimedia::iPod software developed by Facebook. After our trial and test, the software was found to be official, secure and free. Here is the official description for Facebook: Facebook for iPhone makes it easy to stay connected and share information with friends. Use your iPhone to start a conversation with Facebook Chat, check your friends' latest photos and status updates, look up a phone number, or upload your own mobile photos to Facebook while on the go. you can download Facebook free now.