You’ve probably heard of the wisdom of crowds. The general idea, popularized by James Surowiecki’s book, is that a large group of non-experts can solve problems collectively better than a single expert. As you can imagine, there are a lot of subtleties and complexities to this idea. Nicky Case helps you understand with a game.
Draw networks, run simulations, and learn in the process. The game takes about a half an hour, so set aside some time to play it through.
Hans Rosling was able to build excitement around data like no other. Truth and progress was his rally cry. Before he died, he was working on a book with his Gapminder co-founders Anna Rosling Rönnlund and Ola Rosling. The book,

Visualize This: The FlowingData Guide to Design, Visualization, and Statistics (2nd Edition)
