Facebook announced its ad network,_Audience Network at F8 2014. With it, developers and publishers can serve_targeted ads_in their apps based on a user’s_Facebook activity. For example, if you Like Game of Thrones on Facebook, expect to be served an HBO ad for the show in a partner app. While it’s extremely targeted to an individual, Facebook is not sharing personal_information with third parties. Instead, it’s using the unique identifier on a mobile device. Here’s what happens when you load an app that’s using Audience Network to serve ads._When you sign into Facebook on a mobile device, that device shares the...

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