Jul 24, 2022QR Codes for free
QR Codes for free¹ QR Codes are one of the weirder successes out there. Honestly, I thought they were ridiculous originally, when seeing them plastered on the side of a building in San Francisco. Why? They just felt like an odd clash of low and high tech to me.
Well I was wrong and in other parts of the world, they turned out to be the cheapest way of wirelessly pushing small bits of data into devices, and not by using RF but instead using the camera.