Visualizing Geographic Data

 An interesting HBR Blog case study on visualizing geographic data.  They conclude reasonably: " ... There are lots of ways to sequence development. But the end principle is simple: create more data visualizations than you need to show, because your first idea is unlikely to be your best. Even for this article, we pitched five headlines and synopses to HBR editors. We then wrote five versions of their favorite. So, this article is one of the best of 25 permutations. But is it good enough to change your behavior? ... "