If you are active user on Facebook, then you should be loving FBM. FBM is a instant messenger chat application which allows you to start a conversation with your Facebook friends one to one chat or group chat or instant chat groups. You can also update your Facebook status from this application, so that your friends can see that quickly. FBM is based on Adobe AIR, so you will need to install AIR runtime to use this application.
The application has has some in built chat rooms where in you can also join and invite your friends.
It also features an album viewer where in you can see friends’ albums right from your desktop.
The chat application looks similar to instant messengers like Hotmail and Yahoo and also shows some notifications.