Until reading through TFA, I hadn't noticed just how mainstream QR codes seem to have become. In my head I was still kind of thinking of Pictures of People Sca

Until reading through TFA, I hadn't noticed just how mainstream QR codes seem to have become. In my head I was still kind of thinking of Pictures of People Scanning QR-codes¹. ¹ https://picturesofpeoplescanningqrcodes.tumblr.com/ https://picturesofpeoplescanningqrcodes.tumblr.com/