Presents an account of Eduardo Saverin and Mark Zuckerberg's creation of Facebook, the social networking site, as a way to meet women during their time as Harvard undergraduates, and covers how the two men's different ideas about the business caused a rift between them. Relates the story behind the founding of Facebook by Harvard University undergraduates, and describes how conflicting ideas for the future of the site destroyed the friendship of co-founders Mark Zuckerberg and Eduardo Saverin.

Originally published in hardcover: New York : Doubleday, 2009. Movie tie-in. "Now a major motion picture"--Cover.