The latest Facebook data breach — which exposed personal contact information that Facebook had harvested on 6 million of its users — is a reminder that even if you’re not handing over all your contact data to Facebook, it is obtaining and triangulating that data anyway. And even if you’re not on Facebook yourself, your contact data likely is because the social network is building a shadow profile of you by data-mining other people.
You might never join Facebook, but a zombie you — sewn together from scattered bits of your personal data — is still sitting there in sort-of-stasis on its servers waiting to be properly animated if you do sign up for the service. Or waiting to escape through the cracks of another security flaw in Facebook’s systems.
Facebook is a crowd-fueled, data-mining machine that’s now so massive (1.11 billion monthly active users as of March 2013
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