[quote name=\'weaklink75\' date=\'Jun 2 2004, 02:50 PM\'] My guess is since the staff are around the keys so much, they could tell by sight which key is the correct one, so they had to cover the keys to make sure it was a pure guess. [/quote]
Bingo. 'bricon' pointed that out when I got to see a couple of the shows, and that's exactly the reason. Not necessarily everybody on the staff would know, of course, but enough for them to take that simple precaution.