How does Facebook make money for its creator?

[beren andres davin]

A recent story featured Mark Zuckerberg, the creator of Facebook and his status as a young billionaire ($9 billion, more or less). How does his 24% share of Facebook generate that income? Does Facebook have advertising?
Please give some detail: what advertising? Are there ads on Facebook?

[Rena]

stock shares, advertising and apps.

[Shelby]

people add games to facebook - facebook gets a profit off the money that peeps spend for buying stuff for that game, and they advertise.

[dom]

Well, when you think about it, face book is used by billions of people all over the world. As a business owner you want to expand your business right? Well, face book makes that expansion easy. Millions of businesses and companies use face book to try and sell their products.