QR code on practice

The practical usage for QR code servlet (see here) - a small service lets you present QR code for any link. The usage is:

http://linkstore.ru/servlet/qr?your_site

for example:

http://linkstore.ru/servlet/qr?http://servletsuite.com

P.S. and here you can find QR code maker for the content (used the same set of components)