Have a look at the ACT's QR code check-in system. It's a simple 8 digit (I think) number that needs to be scanned with the ACT's check in app. What I would lov

Have a look at the ACT's QR code check-in system. It's a simple 8 digit (I think) number that needs to be scanned with the ACT's check in app. What I would love is poster sized QR codes instead of a small patch of an A4 page. That way you could scan it from afar.