I'm not sure what the big deal about 'without cameras' is - I would imagine that most areas of a store are already covered by security cameras, so every custome

I'm not sure what the big deal about 'without cameras' is - I would imagine that most areas of a store are already covered by security cameras, so every customer is being recorded already. The extra privacy-stealing step is in the identification of shoppers, and that is being done without cameras, using techniques like device fingerprinting (as the article says, some stores do this via their free wifi)