What Is A QR Code And How Do I Use It? — Donna Payne is The Web Coach | QR-Code and its applications | Scoop.it
From thewebcoach.net - July 29, 2011 9:20 AM
You may have noticed strange looking squares on signs, magazines, billboards, webpages, and more commonly, store shelves. These squares are QR codes. QR (Quick Response) codes are kind of like a barcode, similar to what you see on every day products.