So Google is advocating QR Codes. The idea being that businesses and others will put up stickers and posters with 2 dimensional bar codes called "QR" codes, say on their store windows. People can then use their mobile devices, with cameras and appropriate software, to read these codes and act on them.

Pretty Neat. Here is a QR code for my home web page (if you are reading this, you already know where it is :-) .

Btw. Anyone remember the Cue-Cat? I think I still have one in my desk!