Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

In Bengaluru, if you find yourself in an emergency situation and are new to the area, you now have the option to scan a QR code to access information about the nearest police station and contact ...

A new 'QR code system' for Test and Trace is set to be launched on Thursday, the government has confirmed. From September 24, businesses must register for an official 'NHS QR code' and display the ...