There are 110 single men on Forbes' 2008 list of the world's richest people.
The youngest? Mark Zuckerberg, 23. He founded social networking site Facebook while he was a student at Harvard. With nearly 70 million active users, the site is booming in popularity and its value soaring. Facebook pushed Zuckerberg's net worth to $1.5 billion this year.
Also young and exceptionally wealthy: Prince Albert von Thurn und Taxis. The German has been a billionaire since he was 18 when he inherited his...Full Story