TED Talks David McCandless turns complex data sets (like worldwide military spending, media buzz, Facebook status updates) into beautiful, simple diagrams that tease out unseen patterns and connections.
What it teaches Incredible amounts of data are produced every day, so much that we can’t use it all. Big data is a term used to describe the tools and processes that seek to make this data useful and productive.
Hans Rosling, a professor of global health at Sweden’s Karolinska Institute, became something of an internet celebrity because of his knack for presenting data in extremely imaginative ways. As you'll see above, he's the master of data visualization.