Let’s say this key ring is yours and you’ve lost it. If somebody scans the QR code with their smartphone, they will see a message from you. The message can say whatever you want (such as, “Help! I’ve misplaced these, please call or text me at this number”), and you can update it any time, [...]
A lot of big companies are eager to get their hands in your pockets — literally. They want your mobile phone to work as a digital wallet, and they want the digital wallet app you use to be theirs. Naturally, this looks like it should be a big business — and to some degree it [...]