Putting QR codes on online banner ads is an example of advertising folks getting "too clever for their own good," according to Michael Takeshita, who said he has seen this done -- and dismissed it as ...

QR (quick response) codes have been around for nearly 30 years. Developed in 1994 by a Japanese engineer for the purpose of tracking components in car factories, they have evolved into a highly ...

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.