Facebook: Book into systematized informatic with unlimited number of pages, where are registered sites and intelligent persons, as member of a web of friends, to enter from time to time in a opportune contact and objective.- Facebook, has been created by Marck Zuckberg, a young descendant from a Jewish family, and student of Harvard University, in the United States of America; who his twenty-three years old, becomes a billionaire, presiding even today its own enterprise, from modern Headquarters of its offices in Palo alto, in the Silicon Valley of California.