Bar codes store information along one axis, horizontally. QR codes store information in both vertical and horizontal axes, which allows them to hold significantly more data.

Imagine your daily routine being dependent on a smart phone app. Leaving your home, taking the subway, going to work – each move, dictated by the color shown on your screen. Green: you’re free ...

When it comes to scan and go technology, there's perhaps nothing more ubiquitous than QR codes. These blotches of squares exist in almost everywhere. In a business setting, QR codes can be used ...

Imagine your daily routine being dependent on a smart phone app. Leaving your home, taking the subway, going to work – each move, dictated by the color shown on your screen. Green: you’re free ...

QR codes are a technology that desperately wants our attention. They appear everywhere from supermarket shelves and magazines to hiking trails and ...

Businesses across England and Wales are being encouraged to download NHS Test and Trace QR codes to prepare for the launch of an official contact tracing app. The app, which is currently being ...

Here's what happens when you scan one of those ubiquitous two-dimensional black-and-white patterns, and why the FTC urges you to use caution.

Is there such a thing as animated QR codes? And could they work? Even those who may not know how exactly QR codes work have pretty much been exposed to them by now.