He very actively culls low-quality content from his site. You might find this thread interesting, "Moderating internet forums" http://www.edwardtufte.com/bboar

He very actively culls low-quality content from his site. You might find this thread interesting, "Moderating internet forums" http://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=0000fT http://www.edwardtufte.com/bboard/q-and-a-fetch-msg?msg_id=0...