The tags are cheap. The scanners somewhat less so (especially when you add the labor cost of repair/replacement).
I'm not talking about killing in-store scanners and the like. However if I was aware of privacy-stealing roaming scanners in places they had no business to be in ... well. Raising the cost of data acquisition might be an entertaining hobby.
It's also got its abuses.
The tags are cheap. The scanners somewhat less so (especially when you add the labor cost of repair/replacement).
I'm not talking about killing in-store scanners and the like. However if I was aware of privacy-stealing roaming scanners in places they had no business to be in ... well. Raising the cost of data acquisition might be an entertaining hobby.