Facebook: book computer with an indefinite number of pages, which recorded sites or intelligent people as members of a network of friends, to periodically establish a contact timely and objective. Facebook, was created by Mark Zuckerberg, Jewish descent and a student at Harvard University, in the United States; his twenty-three years of age, he became a billionaire, now presiding over his own company from the modern offices main headquarters in Palo Alto, on the Silicon Valley of California.