QR Code For /Message
Reston: I have bumped into this odd square pixelated graphic on a few blogs recently, and I didn’t know what it was until now.
It’s a Quick Response (QR) code, designed to work with camera phones that have a QR reader installed.
Here’s the QR code for /Message, generated by the folks at Kaywa:

QR-Code Generator, originally uploaded by Stowe Boyd.
Here’s a cartoon to explain it all.

The Kaywa Reader, originally uploaded by Stowe Boyd.
I guess I will have to figure out how to get that on my Moo cards. I also want the tshirt (here, mocked up on Instructables):

Encode data in 2D on your T-shirts, business cards and stickers ! - Instructables - DIY, How To, craft, offbeat, originally uploaded by Stowe Boyd.
I have started to photograph business cards, and then throw them away, uploading the images to Flickr. This will fit right into that pattern, if people start putting QR codes on them.