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Do they realise that some of us may be using computers that don't even have a camera, and open source software that could in theory upload any image we like?

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It uses a video feed and asks you to look in certain directions. At least the one instance I've encountered did.

Yeah. Certainly something AI generated video couldn’t solve.

It shouldn't be to difficult to determine if the camera is pointed at a real face vs a screen showing an AI generated image.

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