For those of you who now use Facebook’s built-in IM as your primary choice for online chatting, you may be interested in this: Chit Chat, a desktop client for Facebook chat. Basically, it’s Facebook IM – and just Facebook IM – without the browser. No other IM networks are included. The nice thing about Chit Chat (besides its tabbed interface for chatting with multiple folks at once) is its instant alert notification. Since this is desktop software, you can minimize the application out of your way but still get alerted to new messages as soon as they come through – even if you don’t have your web browser open to Facebook.com. Also, like most IM clients, Chit Chat saves your conversation history so you can pick up where you left off on your previous discussion. The software is a free download and works only on Windows PCs. You can get it here.