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 ...

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 ...

Barcode scanner applications are usually quite simple, and have one purpose. Still, some of these apps offer more than others, and then there’s the design aspect to consider, as not many of them pay ...