eli5: How do tech companies do it so that face ID doesn’t recognize a picture of that person?

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(edit: for the purposes of this question I’ll only consider Apple’s Face ID system but thank you to everyone who addressed Android and others) 🙂

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Anonymous 0 Comments

As someone who has never used face id for anything, does it not work with a picture? Are you telling me that every TV show and movie where they used a photo of someone to unlock a phone was lying to me?

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