1. Make sure you create a long URL with utm campaign tags so that you can track where people have come from. You can do this here:

http://www.google.com/support/analytics/bin/answer.py?answer=55578

2. Shorten your long URL using a Bitly

http://www.bitly.com

This will also give you an independent click through counter.

3. Create a QR code for your shortened Bitly URL at:

http://delivr.com/qr-code-generator

You should choose the following options

• Shorten URL - No
• Error correction - L Approx 7%