When you scan a QR code, the QR reader in your phone’s camera deciphers the code, and the resulting information triggers an action on your phone.

This number is impressive given the fact that QR readers must be downloaded, not to mention the confusion created by different types of codes and tags. It is clear that QR codes have their place.

QR codes are a close cousin of the bar codes on product packaging that cashiers scan with infrared scanners to let the checkout computer know what products are being purchased.

QR codes are a technology that desperately wants our attention. They appear everywhere from supermarket shelves and magazines to hiking trails and ...

The other reason why QR codes work in China is WeChat. WeChat, the equivalent of Facebook, Twitter and Instagram all in one social platform now has a QR code scanner integrated into its app.

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 ...