QR Codes and other forms of mobile barcodes continued to grow last year. Widespread adoption is still far off (if it ever arrives), but more and more Americans are scanning QR Codes with their mobile phones. Check this chart:
Let's put that chart in perspective:
2011 saw a 300% growth in barcode scanning compared to 2010, and a 1000% increase over 2009, according to [download page] a report released in February 2012 by Scanbuy.
Read more at Marketing Charts.