Facebook is working on developing a Facebook application for Windows Messenger 7. After Facebook Messenger for iPhone , Android and BlackBerry , it seems that the app is available for computers and notebooks.
Facebook Messenger on Windows 7
The application will be the next Facebook Chat Facebook Ticker and a notification system contain this makes Facebook itself known in the "Help Center" for Messenger for Windows . Furthermore, it was announced that users log on automatically to the application when logging into Facebook sense. Unfortunately, the, as yet, not possible for several people call or a video to start.
Tweakers.net correctly notes that the application is built probably in HTML5. HTML5 is already being applied by Facebook in mobile applications.
Currently, Facebook Messenger for Windows in beta and therefore not available for download. Unfortunately not known when the application is available for all users.