If you've spent any time using a smartphone, you've likely come across QR code stickers, letting you redeem a coupon or get some snippet of information. Mercedes-Benz plans to start putting such codes ...
Some people microchip their pets to ensure they’re easily found when lost, but now a city in Japan wants to apply a similar approach to their elderly – and they’re turning to QR code stickers instead ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback