Founded in 1884, point-of-sale tech giant NCR is as far from screwy as you can get. But they’re also using cameras, in this case to verify a buyer’s age when purchasing age-restricted products at self-checkout. Yes, a built-in camera guesses your age. No, I’m not making this up. A less fraught alternative within the same system lets people register their identity in advance and then uses the camera to verify who they are using a QR code and biometrics.