5. Dustin Moskovitz- Facebook, Path

Age: 27

Moskovitz was credited with being the world’s youngest billionaire after co-founding Facebook with Mark Zuckerberg, Eduardo Savarin, and Chris Hughes. He left Facebook in 2008 to found Asana, a “collaborative information manager” that one can use on the internet.  His net worth is said to be $7.6 billion through a stake of 7.6 percent in Facebook.

6. Matthew Charles Mullenweg- Wordpress

Age: 28

This 28 year old billionaire is best known for his development of Wordpress, the free and open-source web software that is used by around 15 percent of the internet and is managed by the WordPress foundation now. He is also a musician, having learned to play the saxophone and the keyboard. His net worth stands at $40 million.