This barcode is a common sight in Asia. It is a bar code that (in Asia) a camera-phone would be used to store this web site's URL and my cell phone number.
It could be that one day you will see these around in the US and Europe when our technology catches up with East Asia (specifically Japan.)
The three very clear squares (in the upper corners and bottom left) are used to identify the top and left side. The information in the middle is used to represent a 2D barcode.
Crazy stuff!
Later,
SteveO