CultureThe world's richest tech entrepreneurs05/10/2017May 10, 2017Facebook's Mark Zuckerg, Amazon CEO Jeff Bezos, and Bill Gates are all billionaires. But: Who is the richest? https://p.dw.com/p/2cjEjImage: picture alliance / dpaAdvertisementThe world's richest tech entrepreneursTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video