" On a bench in Essex’s lab was a 10-teraflop processor about the size of a standard desktop. It ran, however, about ten thousand times faster, at ten trillion operations a second. “We’ve developed a very sophisticated test called the ‘holy shit test,’” said Moodispaw. “One day we had three different sets of government customers come in to see what we could do. They all said, ‘Holy shit, you can do that?’ We’re getting results nobody else can on the technology side.” Eavesdropping "

― James Bamford , The Shadow Factory: The Ultra-Secret NSA from 9/11 to the Eavesdropping on America