Featured in Nature, BBC, Discovery, and the media in over 100 countries, Kalev spoke about his work at TEDxTallinn 2012. Using an archive of 100 million global news articles spanning a quarter-century, a 2.4 petabyte network of 10 billion people, places, and things, and 100 trillion relationships are used to forecast the Arab Spring, pinpoint Bin Laden's location, and visualize human society's evolution.