Facebook targets ads with data users didn’t share with the platform

Original Post: http://feeds.marketingland.com/~r/mktingland/~3/SfdCkHrSyws/facebook-targets-ads-with-data-users-didnt-share-with-the-platform-249136

Researchers reveal Facebook is using phone numbers identified via friends’ contact lists and numbers entered for two-factor authentication to target ads.

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