Nostalgia and Modern Convenience: The Calculator's Role

The retail behemoth is splashing tremendous amounts of cash on streaming content; critics are unimpressed with the outcomes. But Amazon may have the best business model going. Statisticians in Britain appear to have found about 2% of GDP hiding in their data—we ask how it got lost (8:24). And how the pocket calculator ushered in the digital age (15:52).

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