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Continue to ChatFacebook will lose 80% of users by 2017, say Princeton researchers https://qcostarica.com/facebook-will-lose-80-of-users-by-2017-say-princeton-researchers/
Facebook will lose 80% of users by 2017, say Princeton researchers https://qcostarica.com/facebook-will-lose-80-of-users-by-2017-say-princeton-researchers/