QR codes are everywhere now. Restaurants use them for menus, parking meters use them for payments, businesses use them for promotions, and you’ll even find them on packages and signs. Most are ...

For the uninitiated, Coinbase — a cryptocurrency exchange — ran a 60 second spot that featured a QR code bouncing around in a way reminiscent of old DVD screensavers. It was a roaring success.

You’ve probably been there. You walk up to a parking meter and just want to pay for it and move on with your day. But unlike the old-school method of just dropping some quarters into the machine, ...

The anonymous conspiracy theorist known as Q who posts coded messages on boards including 4Chan and 8Chan might just be typing randomly, according to Mark Burnett, a security consultant who has ...