You’ve scanned them on menus, packages, tickets, and more — but how do QR codes actually work? In this video, we break down the technology behind those mysterious black-and-white squares. Learn how QR ...

You've probably noticed a square barcode pasted to a graffitied light pole or on the back of a business ... more information a QR code holds. Timing pattern: The black and white alternating ...

You can scan a QR code using the camera on your smartphone, tablet, or computer. Scanning QR codes lets you easily access websites, restaurant menus, videos, and more. Most smartphones have QR ...

Would-be scammers hide dangerous links in the black-and-white jumble of some QR codes, the F.T.C. warned. The people behind those schemes direct users to the harmful QR codes in deceptive ways ...