QR codes have quietly become the remote control for everyday life, from restaurant menus to parking meters to office sign-ins ...

For the uninitiated, Coinbase — a cryptocurrency exchange — ran a 60 second spot that featured a QR code bouncing around in a way reminiscent of old DVD screensavers. It was a roaring success.

CHARLOTTE, N.C. — Chances are, you've never thought about what's between your food and the QR code many restaurants force customers to use for access to their menu. So, should you be concerned about ...

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 ...