While QR Codes have seemingly fallen out of favor with most consumers, Target hopes they will help them take a bite out of Amazon's holiday business.  Starting October 14th, the top 20 toys of the holiday season will have a QR code on them linking in store shoppers to directly buy them from their website, and have them delivered for free. 

http://techcrunch.com/2012/10/03/take-that-amazon-target-adds-qr-codes-in-retail-stores-to-help-shoppers-buy-toys-on-mobile-devices/