Spending most of my adult life in advertising and years of art classes before that it's no surprise that I love pictures. But what I really love is when a picture helps to bring an idea to life...communicates a thought so powerfully that you see things a new light. In the right hands pictures can liberate an idea. In this case, pictures liberate data...mountains and mountains of data.

The presenter is Hans Rosling, a renowned Swedish doctor and researcher that has spent most of his life working to debunk myths about the "developing" world.