This was a great talk from WordCamp Phoenix 2013 given by Paul Clark

Paul Clark: How WordPress Saves Lives – Freedom, Hope and Custom Post Types

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Discover how WordPress empowers relief teams working in war zones in Southeast Asia, and explore the challenges strategies behind creating an application that tracks medical care and human rights abuses in the jungles of Burma.  With Custom Post Types and the Pods Framework, doctors and relief workers are able to make data-driven decisions when treating 15,000 patients each year.