Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

The Quick Response code, more popularly referred to as a QR code, has really taken off in recent years, and it's easy to see why. Though COVID-19 helped mainstream it, these codes make sharing ...

QR or Quick Response codes are one of the most popular ways to access information on the go. Invented in 1994 and once considered the wave of the future, part of the QR code revival that started in ...

Scanning a QR code with your phone is a common request, and should be simple, right? But it's not always as obvious how to do it as it should be. Read on for straightforward, illustrated instructions ...

LAS VEGAS — A newly-launched tool by Nevada state officials gives digital access to their COVID-19 vaccination records through QR codes. SMART Health QR Code uses data stored in Nevada WebIZ, the ...

More than 1 million Washington residents have used the WA Verify vaccine system, which enables smartphone users to receive a unique QR code they can scan at events or certain businesses to prove they ...