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  • A 2011 report produced by Forrester Research estimated that the revenue generated through the sales of smartphone and tablet applications will reach $38 billion annually by 2015. Think about that: An industry that did not exist in 2006 will be generating $38 billion in revenues within a decade. . . .

    Thomas L. Friedman, Michael Mandelbaum (2011). “That Used to Be Us: How America Fell Behind in the World It Invented and How We Can Come Back”, p.70, Farrar, Straus and Giroux