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Hans Roslings’ “200 countries, 200 years, 4 minutes” video was incredibly fascinating. Roslings took thousands of pieces of data and graphed 200 countries based on their life expectancy and income per person. To begin, he showed what the graph looked like in the early 1800’s. Almost all the countries were generally in similar areas, but as he changed the time and countries went through depressions, wars, and genocides, they began to grow apart. Some countries became better off and others fell. Finally, he played the simulation all the way through to his most current data. In the long run, the countries on the map started to converge higher on the graph (meaning higher life expectancy and higher income per person). This simulation very intriguing to watch because it showed how countries would rise and fall based on wars, depressions, and other hardships. Similarly, Roslings was effective with his presentation of data because it was interesting to watch and not too long. Overall, I think this is an example of a good way to present large amounts of data to an audience, and I really enjoyed watching this video. Similar to one of my classmate who wrote about this video, I agree that the graph is worth one thousand words. Seeing the countries move around the graph is incredibly interesting, and would be hard to replicate without the use of this graph.