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.

Many of you reading this have undoubtedly seen a QR (Quick Response) code by now (the thing pictured to the right), but there's just as much -- if not more -- confusion surrounding them today as there ...

From the upcoming generation of “iPad kids” glued to their screens to the ubiquitous but unpopular QR code menu (paywall), critics claim that a proliferation of technology is depriving people of human ...