For Facebook, Scrabulous application spells T-R-O-U-B-L-E
In addition to playing Jetman, competing in Food Friendzy to win CampusFood Cash and posting bumper stickers on friends' walls, users of the social-networking site Facebook.com have been improving their vocabulary skills. But the almost 600,000 thousand Facebook users who play Scrabulous - a free, online version of the board game Scrabble-- - every day, may have to find a new hobby.










