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My reaction as well. Given how many ways there are to uniquely identify individuals this isn't a selling point for the tech. It's just a different kind of camera and of course it can identify people it's just that it will not reproduce a picture of people's faces to do so.

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Not yet, because the resolution is too small for now but you can count on progress. Thinking more globally, couldn't 5G mmWave make it possible to get to know exactly how people are moving ? (let's say, someone gets out of his house, the government can know it in realtime, even without a phone, because the mmWave could map its position).

>couldn't 5G mmWave make it possible to get to know exactly how people are moving

If you've got the signal density to illuminate the stuff you want to look at there's no reason you couldn't.

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