Back Story: How the Digital Revolution Changed Our World

By Number 17, NYC and Nayeli E. Rodriguez

Sources: Blogpulse, Google Official History, Reality Blurred, The NPD Group, NBC, Bowker, USPS, The Radicati Group, Forbes, World Clown Association, Nielsen, Newspaper Association of America, Digital Music News, Apple, Itunes (launched in 2001)

Image credits, top to bottom, left to right: courtesy of Nintendo, Boris Roessler—DPA-Corbis, Corbis, courtesy of Nintendo, Miranda Penn Turin—courtesy of USA Network (2), Chairman Ting Creative—Getty Images, no credit, Martin Lee—Alamy, Nation Wong—Getty Images, Laurent Davoust-Age Fotostock, Fox, Don Farrall—Getty Images, Winston Davidian—Getty Images, no credit (5), no credit, Michael Ochs Archives—Getty Images