How not to be ignorant about the world | Hans and Ola Rosling

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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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