The Social Network, a new comedy-drama directed by David Fincher, is the story about the founding of Facebook. The film features an ensemble cast with Jesse Eisenberg, Brenda Song, Justin Timberlake, Andrew Garfield, and Armie Hammer. The film was adapted from Ben Mezrich's 2009 book The Accidental Billionaires: The Founding of Facebook, A Tale of Sex, Money, Genius, and Betrayal. Eisenberg plays Facebook CEO Mark Zuckerberg. Here’s the new teaser trailer.