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 ...

How iPhone turns the Camera app into a code reader On iPhone, the built in Camera app is the primary gateway to this hidden scanner. When you open Camera on your iPhone and point it at a QR code, the ...

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 ...

The QR code is having an extended moment, given that we’re all still wary of dealing with physical documents, touching surfaces, and generally interacting with the world at large. The switch to ...