It's getting easier to find the information we need in the vast ocean of Web data. Google recently launched its new Knowledge Graph search tool, which aims to connect users with a "real world map of things," including information that might not turn up in a traditional text search. Meanwhile, programs such as iPhone's Siri, Wolfram Alpha and Quora seek to respond to specific questions and information requests. We explore the fast-changing world of search technology and how we'll find information in the future.
After the 9/11 attacks, U.S. intelligence, military and law enforcement agencies were forced to work together in completely new ways. A veteran national security reporter on how America has tried to adapt to a new era of warfare.
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