This is one of the coolest and potentially useful things I have seen in a long time. Go to the following link:
Look in the upper right hand corner for the text box. Type in something like "Car" or "Good" and just watch what happens. Try dragging the dots around. Note the legend at the bottom which explains how to read the information.
How cool is that?
Imagine a financial statement presented like this (the SEC Financial Explorer is a step in that direction). Or, imagine being able to navigate through a taxonomy like this.