Have you seen the Hans Rosling talks? https://www.youtube.com/watch?v=Z8t4k0Q8e8Y https://www.youtube.com/watch?v=Z8t4k0Q8e8Y There's a few on TED talks.

Have you seen the Hans Rosling talks? https://www.youtube.com/watch?v=Z8t4k0Q8e8Y https://www.youtube.com/watch?v=Z8t4k0Q8e8Y There's a few on TED talks. It's a must see.