Need help taming your internet addiction? Ironically, there's a web app that can help: 

Freedom is an application that disables networking on an Apple computer for up to eight hours at a time, freeing you from the distractions of the internet--andFreedom enforces freedom; a reboot is the only circumvention of the Freedom time limit you specify.

Go ahead. We'll be here when you get back.

Related: Free Online Fun: Do the Devolution, The Internet is Corny