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Facebook is plagued with useless, annoying applications. Honestly, how many versions of Vampires, Werewolves, Pirates, or whatever can we tolerate? In an effort to euthanize the feeble, Zuck is rolling out a new feedback system which penalizes pesty applications. Facebook apps currently can send 40 messages per user per day. Apps whose messages generate clicks will earn the right to send more; apps whose messages are ignored will have their message quota cut.