Step-by-step guide to setting up two-factor authentication on Google, Apple, Microsoft, and social platforms for stronger account security.

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, ...

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 ...

The Quick Response code (or QR code) was introduced in 1994, but it never really took off in the US until decades later when the pandemic created a need for a quick, easy, and (most importantly) touch ...

There are multiple ways to scan a QR code with your Samsung phone, whether you use a budget device or one of the top foldable Android phones. However, some methods can be unreliable, causing you to ...