“Tell you who’s had an unexpected mid-career upturn and is now in the best form of their lives,” one wag wrote on Twitter recently. “QR codes.”
The weird reality of life in 2020 means it is now impossible to enter a pub, restaurant or café — when they’re open — without being confronted by a Space Invaders-like square of black and white blobs and the forceful instruction to scan it with your phone, log your location and help save the nation’s health.
Thanks to Covid, QR — Quick Response — codes have made the year’s most surprising comeback and are now everywhere. It’s a far cry from 2012, when an article on the tech site Gizmodo bluntly explained to readers: “How QR codes work