QR (Quick Response) Codes
QR codes are 2-dimensional bar codes that can be added to business cards, posters and advertisements. The codes can be scanned by smart phones to take people directly to your website or to provide them with information.
The footprints below have QR codes embedded in them... scan them for fun barefooting facts! (And feel free to print & post them!)
QR code readers:
Google Goggles
iTunes
Kaywa
