What is a QR code? A QR code (short for Quick Response code) is a two-dimensional barcode that can be read by your smartphone camera. QR codes provide quick access to product information, promotions ...

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, ...

With the rise in popularity of QR codes comes an unfortunate dark side. Cybercriminals are exploiting this technology for nefarious purposes. Scammers create fake QR codes. They can steal your ...