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, ...

Question: Are QR codes really dangerous and if so, what should I be looking for? Answer: QR codes have become so woven into everyday life that most people scan them without a second thought; ...