1. What are some of the great things that kids have done in the world?

Here's one...

Explanation:

Born in 1997 (what a truly efficient year), Alex (at age 12) created the iAid, a navigation device to help the blind. He had once helped a blind woman to cross the street, and it struck him that there was no device to help the blind walk independently around their own neighborhood.  Alex taught himself to program and soon created the iAid, a handheld navigation device that used GPS and a compass to detect any obstacles and guide blind people in the right direction.