The chart below is taken from Google Insights for Search and shows the number of searches that have been done in the United States for ‘QR Code’, relative to the total number of searches done on Google, from 2004 to August 2010. The data is normalised and presented on a scale from 0-100.

We see the same on our platform.
A good example here is the QR Code Ad which numbers we made public.
Article at http://bit.ly/91oy0R
See especially location for:
clicks:
http://bit.ly/bcVT1O+
And scans:
http://bit.ly/bjuCBk+
Roger - we’ll be releasing some numbers soon that really show the growth of codes in North America. As an example, we saw more scans in July than all of 2009 combined!!