Hans Rosling - The best stats you've ever seen (TED2006)

Rosling's presentations were grounded in solid statistics (often drawn from United Nations and World Bank data), illustrated by the visualization software he developed. The animations transform development statistics into moving bubbles and flowing curves that make global trends clear, intuitive and even playful.
During his legendary presentations, Rosling took this one step farther, narrating the animations with a sportscaster's flair.