Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

QR might stand for quit resistance.

During Apple’s keynote at this year’s WWDC 2017, Craig Federighi announced iOS 11 support for the oft-forgotten quick response (QR) codes. While users stateside may not use QR codes regularly, for ...

We’ve all been there, fumbling to order with a QR code at a restaurant. The nonstop scrolling, the impersonal lack of service, no menu descriptions — and once you finally punch in your credit card ...