The xkcd IRC channel instituted the Robot 9000, which mute-bans anyone making an unoriginal comment. Obviously this does not prevent trolling, but it does redu

The xkcd IRC channel instituted the Robot 9000, which mute-bans anyone making an unoriginal comment. Obviously this does not prevent trolling, but it does reduce some of the more low-hanging fruit of retardation: http://blag.xkcd.com/2008/01/14/robot9000-and-xkcd-signal-attacking-noise-in-chat/ http://blag.xkcd.com/2008/01/14/robot9000-and-xkcd-signal-at... 4chan also implemented Robot 9000 on one of their boards: http://boards.4chan.org/r9k/ http://boards.4chan.org/r9k/