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The New York City Subway
“National Geographic – Megacities: New York City” – In the past 100 years, New York’s subway system has grown from a nine-mile line to a four-borough system, with its signal system a vital element. A...
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The Story Behind Germany’s Scant E-Book Sales
By Caroline Winter April 19, 2012 Source: Bloomberg Businessweek As any New York City subway passenger has noticed, the number of people ditching paperbacks in favor of a Kindle or iPad is exploding....
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