What is a QR Reader? A QR reader is a device that can read the information on a QR code. It may be an app or software, but it must have this capability to scan and decode the data in order for you to ...

What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

First invented for use in industrial applications in Japan in the early 1990s, QR codes were being widely used by consumers when smartphones with QR readers became more prevalent in the 2000s. After ...