This is fun, creepy, illuminating, and scary. Sort of like rubbernecking at your own wreck.
Personas shows you how the Internet sees you. Enter your name and this devlishly clever web crawler scours for information and attempts to characterize you... to fit you into a predetermined set of categories created by an algorithmic process from a massive corpus of data. The process is presented visually in a cool and dynamic way.
Check it out. You get to be reduced to a pretty barcode.