Visualization seems to be the theme of the week, so let’s finish it off with a 20-minute TED talk from one of the most influential data visualization specialists out there:

Hans Rosling shows you the best stats you’ve ever seen

Since being bough by Google in 2007, Rosling’s Gapminder software has powered some Google spreadsheet gadgets, which means you can use these visualization techniques if you don’t mind keeping your data in Google Docs.? Gapminder.org says that a desktop version is “in development.”