Hans and Ola Rosling How Not To Be Ignorant About The World

Always very entertaining to see Hans Rosling (and his extra long pointer) do his talks at TED year in year out. This time round, Hans is joined by his son Ola Rosling, director and co-founder of the Gapminder Foundation.

Watch them and learn the 4 things we can all do now to be less ignorant about the world.

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