QR (Quick Response) codes are 2-D bar codes created by digital dots. They are all those weird-looking black and white symbols that appear to be showing up just about everywhere these days.
Quick Response codes are created for the smartphone world. They are intended to be scanned using smartphones with onboard digital cameras.
The only additional thing your consumer requires is a QR reader which will instantly decodes the QR code in order to unlock it’s secret message.
The marketplace already has a large number of QR reader apps, particularly for common mobile phone models. The majority of these readers are free and are easily obtainable online.