FAQforge

Facebook has become a popular way for communication, but is still quite unhandy because it requires a full browser window to be properly visible. To circumvent this problem you can install Facebook Explorer into your Windows 7 Sidebar and let the new messages be indicated right on your desktop:

You can download Facebook Explorer here: http://buildagadget.com/wsg-fb-explorer/
Facebook Explorer grants you access to all major and frequently used functions of facebook like messaging,notifications, liking and commenting.