To understand why this technology is so important, and so dangerous, you need to understand its patrimony. First, although the technology is brand new, the idea is a classic, long-time geek trope. It shows up, for example, in Isaac Asimov’s Foundation Trilogy, the best-selling albeit thinly-plotted space opera, in which protagonist Hari Seldon develops the science of “psychohistory”. Just as physics can predict the mass motion of a gas, even though any individual molecule is unpredictable, psychohistory allows us to predict the future of large groups of people. (It’s not hard to see why this sort of thing appeals to the socially maladroit. Forming cliques, establishing social ties– it’s complicated and messy stuff. If only there was a mathematics that laid it all out…)

But why is this technology only emerging now, not 15 or 20 years ago? For any technology, there are only 3 possible answers to this question: Moore’s law, the Internet, or the government. In the case of crowd dynamics, we have the last 2 to thank. The Internet has made the problem tractable by providing huge, easily-collected data sets of social interactions. But the government has been the real enabler. Just follow the money: nearly every relevant research project received funding from DARPA, the Defense Advanced Research Projects Agency.

the state of “human terrain” research, and its applications. shades of psychohistory.

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