QR Code Generator
The image on the right contains the URL of this blog. Imagine this was on a poster in a bus shelter. The mobile phone user points his camera at it and it will direct him to the website encoded into the dark and light patches.
You can get QR-Code readers for many modern phones including the iPhone, Blackberry and Nokias.
Create your own QR Codes
You can create your own QR-Codes by completing the form below, and the image will miraculously appear:
It was created using Google's Charts API.