“Facewatch which licenses facial recognition software made by Real Networks and Amazon is now inside nearly 400 stores across Britain. Trained on millions of pictures and videos the systems read the biometric information of a face as the person walks i

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Link. Supposedly identifies people believed to have shoplifted. False positive rate not known. Legal proof of guilt not required, no appeal process but image said to be deleted after 1y. Motivated by shoplifting loss.