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
I doubt they would implement thing on every vending machine. They can still derive some useful analytic data from a smaller sample size
That’s using it.
The only possible reason to have the hardware is because you intend to use it.