Like "Wi-Fi," the term "QR" is used often in day-to-day situations, but not everyone knows what it stands for. English speakers make frequent use of abbreviations to shorten communication or inject a ...

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 ...