What purpose could that serve? Twitter is there to show recent tweets, Youtube videos.. to show the videos, Wakoopa to show the programs... etc. I don't see how you can have some sort of update thing for Facebook. Unless it's only updating status or something which could be done via tweets. Besides, it's not even game related, so it couldn't be a postbit link either. (Though there is MSN/Skype etc, but only because they're the main IMing clients.)
We don't need more related to Facebook on our profiles. D: