Quick Response Codes, created in Japan, are known under the acronym QR Codes, they are 2D bar codes which are able to store a vast amount of information and as the name portrays they are quick in directing you to the required information they represent such as websites and promotions. In this article I will briefly explain the way in which a QR code works and its appearance. So you may be thinking why the need for so many different barcode formats, why use QR codes and not the original 1D barcode with the vertical black lines that we see used on the majority of goods? Reason for that being is that barcodes are constantly evolving and being able to store more information and action more features. The QR code is able to store a large amount of required...