With students spending more time on Facebook and Twitter than they do studying, we already know the negative effect it has on their grades. Even worse is the effect it has on younger teens, many of whom can’t properly form a sentence. Thanks to Lamebook, Facebook Foolishness, and Dumbest Tweets, I’ve come across some of the most idiotic people on today’s popular social media sites. Click more to see the gallery of the most foolish but hilarious FB updates and tweets.