The humble QR (or Quick Response) code has become ubiquitous. Invented back in the 1990s to scan car parts, the barcodes got a popularity boost during the pandemic when touchless tech became prioritized, and they’re now a regular part of daily life.
You’ll find them deployed to help you order food, connect to Wi-Fi, shop online, access tickets, prove your identity, and much more besides. They can either store information (about 3KB’s worth), or redirect you somewhere (like a website or…