BOSTON (AP) — A COVID-19 vaccination passport program that would allow residents to quickly demonstrate their vaccine status could be up and running in Massachusetts and several other states soon, Gov ...

Among the many changes brought about by the pandemic is the widespread use of QR codes, graphical representations of digital data that can be printed and later scanned by a smartphone or other device.

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 ...

Air Wick?s leveraging of a program with a QR code in a pop-up home in a shopping mall promotion capitalizes on the attention-grabbing power of personalized content but risks excluding consumers who ...