How to use QR codes to collect email subscribers.

How to use QR codes to collect email subscribers Firstly, what is a QR Code? QR is the short form for 'Quick Reference'. Invented by the Japanese engineer, Masahiro Hara, in 1994, the QR code was the natural successor to the good old regular 'barcode'. It was developed by Hara in response to the increasing limitations being met by the old system which was incapable of storing as much data as the QR code. The layout of the QR code is shown below - you'll have seen them millions of times in...








