Boingboing

Boing Boing talks about QR Codes - the latest and hottest fad among mobile users in Japan. While machine readable languages have been here since the beginning of computing, this is the first time that they are also a statement of “art”. QR codes are graphical equivalent of any text that you want, something similar to barcodes in purpose. But while barcodes were one dimensional (vertical lines of variable thickness), QR codes are two dimensional - (like the image on the right).