Papa Johns and a bunch of other corporations had their marketing teams jump at the opportunity to use QR codes to attract more of the mobile market share to their advantage and make things easier for customers to get information, instant coupons, and visit web sites. Do you use QR codes for your business advertising? Do you feel it helps? And do you use them from others with your mobile phone occasionally, even if you don't use them for what you do? I've used them a few times for advertising and for my phone (android) to get offers from other places that I was interested in, but only on occasion. Other people seem to use it a lot more. What's your position on it?