Some of you may have noticed a new breed of barcode (albeit square)-type-things appearing in various places, on various products and in various scenarios in our day-to-day lives of late.
Quick Response, or QR codes are the latest 2 Dimensional way to access additional information about, well, whatever the QR code creator wants you to access really! A QR can be scanned by a smartphone to automatically receive text, imagery, video, sound and URLs - a mobile-friendly way to point people who are offline to an online resource.
The Japanese love them. Well I never! And they are becoming increasingly popular over here and in the U.S. But are they just another gimmick? - well no, not if you think about how they can be used: