New applications of QR codes in recent months mean that they have become part of our everyday lives, including as part of ticketing. The motivation is simple. QR codes quickly offer touchless payment ...

October marks the 70th anniversary of the first bar code-type product. And the QR code — short for quick response — is an evolution on bar codes that are often used to point users to a specific ...

Beginning Monday, April 6, conductors on select off-peak trains will ask riders at Millennium Station, Union Station, and Ogilvie Transportation Center to show tickets before they even step on board.

As QR codes continue to be heavily used by legitimate organizations—from Super Bowl advertisements to enforcing parking fees and fines, scammers have crept in to abuse the very technology for their ...