I learned about QR Codes (or this link) this week. I’ve seen it on postage i’ve printed at the post office KIOSK. Its a 2 dimensional barcode that contains information readable by scanners. This software, QuickMark allows your cameraphone to translate the information as soon as it’s lined up in the corners on the camera, which is pretty darn cool. The one you see here is one i made at this site, and it contains secret information 