Another [patent] considers analyzing pictures to create a unique camera “signature” using faulty pixels or lens scratches. That signature could be used to figure out that you know someone who uploads pictures taken on your device, even if you weren’t previously connected. Or it might be used to guess the “affinity” between you and a friend based on how frequently you use the same camera.

“These engineers wrote […] code across 220 screens […]. For reference, we have about […] 4x the number of screens on each native platform.”

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Maciej Konieczny

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