NHK Documentary S2014E12 - Disaster Big Data: The Key to Recovery

The Great East Japan Earthquake that hit on March 11, 2011, has left vast amounts of information throughout cyberspace. The data tell the story of people's movements until now. Cell phones and car navigation systems emit location information. Some 6 billion tweets have captured changes in people's concerns since the disaster. We'll let disaster-related big data guide us in exploring the future of rebuilding efforts.