What is the Purpose of a QR Code?
The QR codes have been a way to creating a link between the internet and the real world products. It would be pertinent to mention here that mobile optimized QR codes could be used anytime and anywhere. The site www.oysso.com would help you generate QR code that makes it relatively easy to transfer a web link to a mobile phone. They would cater a significantly lower barrier for visiting a website using a Smartphone.
However, you could also work with other data and texts inclusive of telephone numbers, advertising texts, and business cards in vCard format. You would be required to simply encode them with the QR code generator for ease of transferring the data to the mobile devices.