OF THINGS LEARNED QR codes dive deeper Location, DD/MM/YYYY Name Surname, job title Title of the talk Why doesn't my in-app QR code work (on location) ? January 6th, 2020 OF THINGS I LEARNED THE HARD WAY .. 

OF THINGS LEARNED QR codes “QR code readers” and “QR code readers” are different .. I WAS SURPRISED TO LEARN THAT 02 

OF THINGS LEARNED QR codes White space (or the lack of it) CULPRIT #1 03 

OF THINGS LEARNED QR codes Size (or too much of it) CULPRIT #2 04 

OF THINGS LEARNED QR codes Other stuff (version, error correction, character set, proprietary requirements) CULPRIT #3 05 

OF THINGS LEARNED QR codes Comments? Questions? Experiences? THANKS! January 6th, 2020