University vending machine error reveals use of secret facial recognition | A malfunctioning vending machine at a Canadian university has inadvertently revealed that a number of them have been usin...

University vending machine error reveals use of secret facial recognition | A malfunctioning vending machine at a Canadian university has inadvertently revealed that a number of them have been usin...::Snack dispenser at University of Waterloo shows facial recognition message on screen despite no prior indication