Friedman, Thomas L. The world is flat : a brief history of the twenty-first century / Thomas L. Friedman. - New York : Farrar, Straus and Giroux, 2007. - x, 660 pages ; 24 cm. Includes index. ISBN: 9780141034898 LCCN: 2007021424 Subjects--Topical Terms: Diffusion of innovations.Information society. LC Class. No.: HM846 / .F74 W2007