2 ms·Robot barf on everything.by astrodust 9y agoRobot barf on everything.pmlnr 9y agoSure, mate, robot. And it's kind of the case: if you read the article it starts with when x in 2014 in China ... WeChat...astrodust 9y agoWeChat doesn't always have a QR code showing. The idea is it shows up when you need it. If NFC takes over some day, so long QR codes.