Mark Zuckerberg is a billionaire .
The epilogue states that Cameron and Tyler Winklevoss received a settlement of $ 65 million , signed a non-disclosure agreement , and rowed in the 2008 Beijing Olympics , placing sixth ; Eduardo Saverin received a settlement of an unknown amount and his name was restored to the Facebook masthead as a co-founder ; the website has over 500 million members in 207 countries and is valued at $ 25 billion ; and Mark Zuckerberg is the world 's youngest self-made billionaire.
The Social Network