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RT @schukin: How iOS 13 FaceTime Attention Correction works: it simply uses ARKit to grab a depth map/position of your face, and adjusts th…

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Apples Find My Feature Uses Some Very Clever Cryptography Wired

Andy Greenberg writing for WIRED The solution to that paradox, it turns out, is a trick that requires you to own at least two Apple devices. Each one emits a constantly changing key that nearby Apple devices use to encrypt and upload your geolocation data, such that only the other Apple device you own possesses the key to decrypt those locations. Stuff like this is why I like Apple. source