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 ...