This is a very cool example of javascript overlay with google maps.
Target someone, something, somewhere, and see (in a fun google map kind of way) what destruction you would cause.
The example and full post can be seen on the authors site: http://www.carloslabs.com/node/16
As Oppenheimer famously quoted from the Bhagavad Gita:
"Now I am become Death, the destroyer of worlds." ( or atleast Norwich, from the comfort of my desk )