A generation later, at Cupertino Junior High School in Cupertino, California, a student named Stephen Wozniak was taking baby steps toward what would become a revolution in personal computers. Wozniak...

A generation later, at Cupertino Junior High School in Cupertino, California, a student named Stephen Wozniak was taking baby steps toward what would become a revolution in personal computers. Wozniak built a simple machine that would mimic the tic-tac-toe game that he and his father loved.