I have a friend who calls me occasionally to help him with various little things having to do with the technology at his house. This week, one of his requests was to learn more about QR codes and how ...

Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

Posts from this topic will be added to your daily email digest and your homepage feed. You don’t need an app for this —your phone can do it already. You don’t need an app for this —your phone can do ...

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, ...

You probably think you need to use your smartphone's camera to scan a QR code, right? That's not the case — it's entirely possible (and super-easy) to scan a "Quick-Response" code that's already saved ...

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 ...

QR codes used to feel like a novelty. Now they are everywhere: on packaging, in direct mail, on receipts, on billboards, and in TV ads. QR codes sit at the exact moment a customer moves from the ...

QR codes have become part of everyday life. We scan them to view restaurant menus, pay for parking, get event tickets, ...

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, ...