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Facebook Is Building Shadow Profiles of Non-Users 338

An anonymous reader writes "As noted previously, Max Schrems of Europe Versus Facebook has filed numerous complaints about Facebook's data collection practices. One complaint that has failed to draw much scrutiny regards Facebook's creation of Shadow Profiles. 'This is done by different functions that encourage users to hand personal data of other users and non-users to Facebook... (e.g. synchronizing mobile phones, importing personal data from e-mail providers, importing personal information from instant messaging services, sending invitations to friends or saving search queries when users search for other people on This means that even if you don't use it, you may already have a profile on Facebook.'"
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Facebook Is Building Shadow Profiles of Non-Users

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I have a theory that it's impossible to prove anything, but I can't prove it.