you gotta watch this: http://video.google.com/videoplay?docid=-8246463980976635143&q=human+computation&total=436&start=0&num=10&so=0&type=search&plindex=0 http

you gotta watch this: http://video.google.com/videoplay?docid=-8246463980976635143&q=human+computation&total=436&start=0&num=10&so=0&type=search&plindex=0 http://video.google.com/videoplay?docid=-8246463980976635143... about using games to get people to do useful computation