Agree with this point. It is the most visible among my friends that are teachers. They are incredibly scared that a student might somehow see something about th

Agree with this point. It is the most visible among my friends that are teachers. They are incredibly scared that a student might somehow see something about them that the student's parents might not be too happy about. It's enough that a friend uploads and tags an old college picture where the teacher does a keg stand and somehow that picture ends up in a students feed. Where Twitter is public by nature, Facebook is really inconsistent and doesn't give a clear message.