Every Black Friday and Cyber Monday, millions of shoppers unknowingly become test subjects in retail's largest behavioral experiment. Under the pressure of flash sales and ticking countdown timers, ...

QR codes are pixelated black and white squares that perform magic when we point the cameras on our phones at them—but what’s going on that makes this little spell possible? QR codes are akin to the ...

QR codes that were once seen as a convenient shortcut for checking menus or paying bills have increasingly been turned into weapons. Fake delivery texts, counterfeit payment links and malicious codes ...

It's generally best to avoid scanning a QR code of unknown origin, and caution is becoming more important as threats proliferate. Anybody can make a QR code in a matter of seconds using free online ...

QR codes containing all the information of the dairy and a unique alphanumeric identification code are placed by law on every wheel of Parmigiano-Reggiano cheese (Photo by David Silverman/Getty Images ...

QR codes were once a quirky novelty that prompted a fun scan with the phone. Early on, you might have seen a QR code on a museum exhibit and scanned it to learn more about the eating habits of the ...