For Facebook Custom Audiences, is it secure?

Does Facebook use the emails we give them for their own marketing?

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According to Facebook, the email address are encrypted and only a "hash" is used to make the matches. When you submit a new Contact, Facebook hashes that email address and then looks for a match.

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Asked: 2016-02-09 15:50:48 -0700

Seen: 9 times

Last updated: Feb 09 '16