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 ...

A big-time Google upgrade could put an end to the struggle of scanning a QR code from a long way away. Whether it's across the room on a wall or across the highway on a billboard, a new scanner ...

As smartphones have become more and more ubiquitous, so have QR codes. These maze-looking squares are a type of matrix bar code that contains data — usually, QR codes point to a website or open a ...