QR codes are cool, but they haven't quite caught on en masse yet, because finding cool uses for them have been challenging. One popular use for QR codes is printing them on business cards. Sharon ...

QR codes are convenient because they can be scanned with a smartphone camera to access a website URL or used as secure login information, but because they are generally simple, black and white ...

[Russ Cox], current Googler and formerly of Bell Labs, posted an awesome guide to putting images in a QR code. Unlike this terrible attempt I wrote last August, [Russ ...

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 ...