Yudkowsky's Ambition Scale:
"1) the next Facebook!
2) the next Apple!
3) sweeping political change! a major economic revolution in at least one country!
4) the next nuclear weapon.
5) like the invention of electricity.
6) like an IQ-enhancing drug. basic change in the human condition.
7) like serious molecular nanotechnology.
8) like uploading a brain into a computer.
9) building a recursively self-improving AI.
10) how to hack into the computer our universe is running on."