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 ...

You probably think you need to use your smartphone's camera to scan a QR code, right? That's not the case — it's entirely possible (and super-easy) to scan a "Quick-Response" code that's already saved ...

QR codes, short for Quick-Response codes, are pretty neat. You scan the code using your device's camera, which picks up embedded information, often to share details or direct you to a website. The ...

Receiving a QR code as an image creates an awkward problem: How do you scan it with the same phone? Both iPhone and Android have straightforward workarounds.