Moderate your visits to Facebook. Become smarter at the same time.
Restrict yourself from visiting Facebook constantly. Redirects you to a random Wikipedia article if you try to visit more often than you have configured.
For instance, if you use a 10 minute time limit, you will be unable to visit Facebook for 10 minutes after you've just been there.
Facemoderator uses a very, very simple and intuitive interface, one drop down list and one check box is all.