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 ...

The sign on the post at the pizza joint in Detroit had just one word on it, "Dog," and a QR code. My first reaction − and unfortunately this is how it goes when you write a little too much about fraud ...

UIDAI has showcased how the Aadhaar App can enable paperless hotel check-ins using face authentication and QR code ...