50 Things That Made the Modern Economy

Tim Harford tells the fascinating stories of inventions, ideas and innovations which have helped create the economic world.

http://www.bbc.co.uk/programmes/p04b1g3c

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CCTV


Surveillance cameras were invented so Nazi scientists could observe rocket launches from a safe distance. They've come a long way since then, and are gathering more data about us than ever before. But in a world where millions happily carry smartphones in our pockets, how do we really feel about being watched?


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 December 30, 2019  9m