From a TED Talk in June 2006. What I love is the way he uses humor to make many of his points. Other good things in the video:
Challenges preconceive notions people have about the subject.
Talks to the data and interacts with it.
He places the data in historical context by explaining what happened in each country.
The data visualization is the presentation, not just a background slide for his talk.
Performs research on his target audience (i.e. students) to understand what they need to kno....

