The common understanding in military circles is that the more data one has, the more information one possess. More information leads to better intelligence, and better intelligence produces greater situational awareness. Sun Tzu rightly understood this cycle two millennia ago: “Intelligence is the essence in warfare—it is what the armies depend upon in their every move.” Of course, for him, intelligence could only come from people, not from various types of sensor data, such as radar signatures or ship’s pings. Pursuing the data-information-intelligence chain is the intuition behind the...