As the Coronavirus outbreak rages on, the Chinese government is implementing a system of colored QR codes in hopes of containing the spread of the illness, Reuters has reported. On Wednesday, The ...

Add Yahoo as a preferred source to see more of our stories on Google. QR codes are visual patterns that store data smartphones can read. AP Photo/Vincent Yu Among the many changes brought about by the ...

QR code, short for Quick Response Code, is a kind of matrix barcode that includes information about a product or service. You can find it being used for advertising purposes, where brands put up ...