With all its meaningfulness as an amazing tool to connect and share with friends, family and professional contacts on the web, Facebook can also be a plain simple waste of time.

It's not that we can't spend some time taking a test, we all like to have fun and entertain ourselves on the web. But Facebook's ability to constantly hit you with more and more quizzes, applications and various time wasters can lead you to hours lost if you don't use it with care.

We recently showed you how to be an efficient Facebook user; now, get to know which are the top time wasters to avoid when logged in. Then, you can choose which ones you still want to be a part of, but at least you won't just be trapped in the endless games and "Which princess are you?" madness.