"I returned to our surveillance. The houses around us reminded me of Ryan Kessler's place. About every fifth one was, if not identical, then designed from the same mold. We were staring through bushes at a split-level colonial, on the other side of a dog-park-cum-playground. It was the house of Peter Yu, the part-time professor of computer science at Northern Virginia College and a software designer for Global Software Innovations. The company was headquartered along the Dulles "technology corridor," which was really just a dozen office buildings on the tollway, housing corporations whose claim to tech fame was mostly that they were listed on the NASDAQ stock exchange. I"