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Answers and rating deltas for

How to know if a user has a facebook account?

Author Votes Δ
brian_d 7 +4.46
ashurexm 2 +1.67
Dennis G 2 +1.65
serg 1 +0.29
Progman 0 -3.21
Peter Bailey 0 -0.86
Last visited: Sep 14, 2014, 5:07:29 AM