Is it a printing error? A pixilated maze? One of those puzzles where you have to cross your eyes to see the hidden image? Two-dimensional matrix bar codes are expanding into the mainstream. You can ...

Get unlimited access to ad-free articles and exclusive content. QR codes, those little black-and-white puzzle-like square matrixes that increasingly populate ads and promotional posters, are meant to ...

QR might stand for quit resistance.

QR code, short for Quick Response Code, is a kind of matrix barcode that includes information about a product or service. You can find it being used for advertising purposes, where brands put up ...

A QR code is a machine-readable matrix barcode and it stands for “quick response” code. You can use the camera app on any phone to scan a QR code. After being scanned, the QR code will send the user ...

QR codes, which had begun a fall into obscurity, have come roaring back. Many restaurants sport these matrix barcodes on tables as replacements for menus. One even appeared in an ad for cryptocurrency ...

It's hard to pinpoint the exact moment QR codes became a joke. Was it the guy who scanned one of those black and white squares on the back of a Heinz bottle and landed on a page full of porn videos?

The Covid-19 pandemic has drastically changed the way humans interact with each other and their surroundings. Physical health has become one of the top — if not the top — concerns of consumers ...

In fact, according to Uniqode ’s State of QR Codes 2026 report, most consumers now interact with QR Codes regularly, with a ...