These numbers are too big for anyone to grasp, yet the format is neat, and a math, economics, or social studies lesson (to see the gravity of our present situation) could be derived from this: http://www.usdebtclock.org/ It's a little bit scary to see it grow even as you watch.
Goodness... all those numbers changing at the speed of light is enough to drive a person insane... or into a deep state of depression at least!
