QR codes are really awesome. I also think they are quite the 'underappreciated and underutilized piece of technology' and have worked on a bunch of projects exploring their uses. You might like this one: https://github.com/txtatech/qr-weaver
QR codes are really awesome. I also think they are quite the 'underappreciated and underutilized piece of technology' and have worked on a bunch of projects exploring their uses. You might like this one: https://github.com/txtatech/qr-weaver