Facebook Is Done Giving Its Precious Social Graph To Competitors

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Of all Facebook’s data sets, it’s the social graph that’s truly unique. It’s spent nine years getting you to confirm who you know, and apparently it’s sick of handing over your friend list to competitors. This week it cut off both Twitter’s new photo app Vine and messaging app Voxer from Find Friends, Facebook’s API that lets you connect with Facebook friends on other apps. But this could backfire.

Facebook knows who you are, what you’re interested in, where you go on the web, what apps you use, and more. However, other companies have bits and pieces of these data sets. LinkedIn knows your resume, Google knows your web searches, Twitter knows who you follow, Apple and Amazon have your credit card number, and your phone’s OS maker knows what apps you’ve downloaded. Who your real-life friends are, though, is Facebook’s domain.