Facebookalich
The gremlin that attacks your Facebook account and makes your posts appear multiple times. This also explains the other strange aspects to Facebook such as virtual gifts that have no value and randomly poking people - things that just don't make sense.
Friend (posted in comments): Okay then, I'll see you tonight.
Friend (posted in comments): Okay then, I'll see you tonight.
You (posted in comments): Oh no, you've been attacked by the Facebookalich. Turn off the computer NOW!
Friend (posted in comments): Okay then, I'll see you tonight.
You (posted in comments): Oh no, you've been attacked by the Facebookalich. Turn off the computer NOW!