Successful technologies often begin as hobbies. Jacques Cousteau invented scuba diving because he enjoyed exploring caves. The Wright brothers invented flying as a relief from the monotony of their normal business of selling and repairing bicycles. ↗
At 13, I realized that I could fix anything electronic. It was amazing, I could just do it. I started a business repairing radios. It grew to be one of the largest in Philadelphia. ↗