WHAT IS A QR CODE: A QR code is a type of barcode first designed for the uomotive industry. More recently, the system has become popular outside of the industry due to its fast readablility and large storeage capacity compared to traditional UPC barcodes.
WHERE TO GET A READER: FREE APPS available to download for:
iPhone (QRReader, i-nigma)
Motorola, Nokia, Samsung and Sony Ericsson (Kaywa Reader)
Dopod, HTC, i-mate, LG, Mio, Motorola, Noki, Orange SPV, Palm, QTek, Samsung, Sony-Ericsson, T-Mobile, Cingular, O2, Sprint, Swisscom, Verizon, Vodafone and more. (I-nigma)