Pet Check Technology combines QR codes, GPS, and mobile apps to let dog-walking customers follow along on their mutt's strolls.

QR codes, for the uninitiated, are essentially square-shaped pixelated barcodes that store certain data—like, say, the menu at a restaurant or a coupon at a certain store.

QR codes — essentially a kind of bar code that allows transactions to be touchless — have emerged as a permanent tech fixture from the COVID-19 pandemic.

What is a QR Code? A quick-response code (QR code) is a type of barcode that contains data for a locator, an identifier, and web tracking. QR codes have been around for a long time. They were first ...

QR Code Tracking Software allows a business to affix a weatherproof QR code to equipment and products and then geo-reference the location of the equipment, view customer information, view service ...

The QR code (short for Quick Response code) was invented in 1994 by Denso Wave, a former subsidiary of Toyota, as a means of efficiently tracking vehicles and parts during the manufacturing ...

Former Obama health advisor and Obamacare architect Ezekiel Emanuel expressed his disappointment Friday in the Biden administration's decision not to implement a "QR code" based system to track ...

Moscow has introduced a digital tracking system to enforce a coronavirus lockdown – but critics say the technology represents an unprecedented threat to privacy.

QR-code condoms: Tracking teenage trysts Safe sex: Now shared by teenagers through QR codes, Twitter and Facebook. Written by Charlie Osborne, Contributing Writer Feb. 27, 2012, 8:56 p.m. PT ...