QR codes are a type of barcode, or scannable pattern, that contain various forms of data, like website links, account information, and phone numbers.

Editor’s Note: Amy Gahran writes about mobile tech for CNN.com. She is a San Francisco Bay area writer and media consultant whose blog, Contentious.com, explores how people communicate in the online ...

It was invented for labelling automobile parts - but now QR codes are used in a much broader context in everyday life. The two-dimensional matrix barcode, created by the Japanese company Denso Wave in ...

Quick Response (QR codes) we’re originally developed in Japan a few years ago and have been used effectively there ever since. Unlike a standard bar code, QR codes are two-dimensional bar codes that ...

Of all the pandemic-inspired business adoptions, perhaps none is as reviled as the QR-code menus. And yet, it persists. Early in the pandemic, restaurants ditched physical menus and instead revived a ...

I predict QR Codes are the next dinosaur of marketing. QR or 'quick response' codes are matrix barcodes that hold information that can be read with a QR scanner or smart phone camera. The information ...