TED (Technology, Entertainmnent, Design) is an annual gathering of people with extraordinary ideas, and in 2006 the visionary Swedish doctor and software designer Hans Rosling delivered this stunning presentation on the third world. It’s statistics delivered as you’ve never seen them before. And when you’ve watched it, go and play with the software yourself on the Gapminder world.
If you like this, there are dozens of talks to download, from Rosling, Al Gore, Bono and loads of others, on the TED site.