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 ...

QR codes–square, dot-matrix variants of the venerable UPC–are becoming an increasingly popular way to share information such as URLs, contact details, GPS coordinates, and calendar events. The idea is ...

QR codes — or "Quick Response" codes — are square-shaped barcodes that can be scanned by mobile devices. They are used for a variety of applications, from pulling up a restaurant menu to directing ...

Two-dimensional (2D) barcodes, more prominently recognized as QR codes, are back in fashion—with much demand for just about 'contactless' everything these days. Coinbase didn't waste time in seizing ...