"Bill Gates had rigged - excuse me, programmed ;-) - the course scheduling program at his prep school to seat him next to all the pretty girls, and had done decently as a consultant doing traffic-light control software. Steve Jobs had a prior profitable business with Steve Wozniak selling blue boxes."

Notably, only one of those things (traffic-light-control software) is considered a socially acceptable use of one's talents, though rigging the course scheduling program is more of a prank than a crime.