Before he quit to create a venture capital firm, Chamath Palihapitiya was Facebook's longest-tenured senior executive.
That means he has a lot of stock in a company that is now worth $65 billion. He's rich - "live on an island and never look at a computer screen again," rich.
So why is he still working?
Produced by Alana Kakoyiannis. Originally published in May 2013.