Who usually turn out to be entrepreneurs and billionaires"

Ateneo Innovation and Entrepreneurship "New ideas create more and better new products and services; create more wealth."

Repost from Entrepreneur.com | by Catherine Clifford | August 24, 2013

The examples of billionaire entrepreneurs in this post:  Richard Branson, Elon Musk,  Sheldon Adelson, Mark Cuban, and Eric Lefskofsky was either selling or creating something.

How do you become billionaire?  Just selling one or product?

In the study of  1,426 billionaires by Founders and Founders,  they found out that 830 made fortunes from more than 1 product (multi product entrepreneurs, serial entrepreneurs) and only 130 from only one business.