I downloaded and installed the latest version of Firefox and followed a link to their Webify Me page. It claims to let you...
See your Internet as a custom collage.Here's a picture of my collage:
You can click on the graphic to see an interactive version that explains what all the different parts represent. To be honest, I think it's more than a little off in places. Specifically, it has me down as a "Gear Head" as represented by a car magazine! Nah! Not even close.
Have a go yourself, post a link in a comment and let me know how close you think it got to you.