"There ARE cyber bullies, but they're less effective because they can't do physical damage"

Actually they can it is not that hard to find out personal details especially if the person doing the bullying was once thought of as a friend. Then things can become very personal and nasty to the point of dangerous It happened to me on another site and only stopped when my husband spoke to the person and told them a full record of events had been kept and would be handed to the police.

Remember people on the internet are strangers however well you think you have got to know them.