MCX Goes On the Defensive, Offers New Details
Bluetooth?!?
Although, with all this talk of QR codes and Bluetooth as the backbone of the system, maybe they're going to announce its backward compatible to an old Motorola RAZR flip phones.
No, you wouldn't have to pair anything. As I understand it, it would use Bluetooth Beacons to detect and confirm your proximity to the register. It's great for one-register shops, or shops with registers spread out (Macy's). I'm not sure how it works with stores that have many registers nearby, though, like grocery and big-box stores.
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