The 10 Youngest Billionaires in the World
(Jason Kempin/Getty Images for Common Sense Media)
This co-founder of Facebook, now worth an estimated $2 billion, had to fight for that title: He sued Facebook and later agreed to a settlement, as depicted in the movie The Social Network. Saverin, 30, who grew up in a wealthy family, has a reputation for enjoying the good life and racking up large bar tabs.
4. Dustin Moskovitz