In 2007 Curtis Melvin started a project (North Korea Uncovered) to designate places he visited during two trips to North Korea using images from Google Earth. Since then the project has ballooned to include North Korean released publicity shots and information from other civilian and military visitors to the country in what Mr. Melvin calls "democratized intelligence". The WSJ refers to it as the Wikipedia approach to spying. Whatever you call it, the results are powerful. Unveiling the secrets of a nation hell bent on isolation. The inner workings of the country from nuclear sites, dams, electricity grids, airfields, and transportation networks have all been uncovered to some degree.