Mark (facebook owner) didn't think to be this big, did he? LOL...
People are wondering how facebook is making lots of money? How this virtual asset became money printing machine for Mark Z? To be honest, we will just discuss something that's in the surface of facebook, because we don't know their internal company condition.
So, actually they're making money from advertising. They have PPC and PPV. It means they'll get paid by the advertisers from per click ad and per 1k...