How not to be ignorant about the world

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How much do you know about the world? Hans Rosling, with his famous charts of global population, health and income data (and an extra-extra-long pointer), demonstrates that you have a high statistical chance of being quite wrong about what you think you know. Play along with his audience quiz — then, from Hans’ son Ola, learn 4 ways to quickly get less ignorant.

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(To watch the video, please follow the link below)

http://www.ted.com/talks/hans_and_ola_rosling_how_not_to_be_ignorant_about_the_world#t-98460