The Perfect Excuse to use Facebook at Work: Server Monitor for Facebook

Here's a great, free tool to monitor your servers from within Facebook. This is the description on the app's about page:

Monitor your web servers in Facebook! Get a notification when your site goes down and when it comes back up. Show your server status on your profile too so your friends can see if you're a network admin rockstar or not.
Features

• Notifications via Facebook feed, email and SMS
• Checks every ten minutes
• 10 second setup
• FREE!