Not an obvious felony, simply posting photos of you performing sex acts on a jesus statue can actually be considered an offense in certain areas of America, again reiterating the importance of being judicial in posting on Facebook
More proof that a simple joke can lead to significant trouble with the law, given the ubiquity of Facebook, and the high threat on terrorism in the current world.
Ten things that should never be posted on social networks. In doing so this limits and conflicts with attempting to represent an honest and full depiction of your identity but increases safety from identity theft.
Semi-sarcastic article that actually acts as a pretty relevant commentary on the ubiquity of Facebook, and the ease with which a simple Facebook post can lose a person their job.
Studies show individuals are more likely to be more "realistic and honest" in anonymous environments online, but attempts to retain a more socially desirable identity in nonymous online environments that may not be accurate to their offline real version.