A right wing activist holds a sign during a rally at Martin Luther King Jr. Civic Center Park on April 27, 2017 in Berkeley, California. Protestors are gathering in Berkeley to protest the cancellation of a speech by American conservative political commentator Ann Coulter at UC Berkeley. Justin Sullivan/Getty Images hide caption

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Justin Sullivan/Getty Images

Big Data may not be much to look at, but it can be powerful stuff. For instance, this is what the new National Security Agency (NSA) data center in Bluffdale, Utah, looks like. George Frey/Getty Images hide caption

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George Frey/Getty Images