You might spend more time using Facebook if you didn’t have to leave a browser window open, so today Facebook officially launches its Messenger for Windows free downloadable desktop client. But since an early tester leaked the download link in December and Facebook responded by making it publicly available, you might already have it. The client lets you persistently chat, receive notifications, and read your news feed from your desktop.
Facebook says “For those of you on Macs, we’re busy working on Messenger for Mac right now. Stay tuned.” Facebook Messenger for Windows can be downloaded here for Windows 7, and it will be promoted to Windows users around the world over the next few weeks. Facebook has exhausted much of the supply of new users to sign up in many countries. The product demonstrates its shift to focusing on squeezing every last drop of engagement from existing users.
Continue reading : http://techcrunch.com/2012/03/05/facebook-chat-desktop-client/