I operate several bluetooth devices used for analysis of motor vehicle travel speeds and distribution. All I get out of the gadget is the MAC address. I can't connect the MAC address to any particular person unless I know the match from some other means. What else are the phones (and the cars' electronics) transmitting?
BTW the maker of our gadgets allows hashing the MAC addresses before storage so that's what we do.
Biting the hand that feeds IT
