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The serene countryside around the Columbia River in the northwestern United States has emerged as a major, and perhaps unexpected, battleground among Internet powerhouses. That's where Google, Microsoft, Amazon, and Yahoo have built some of the world's largest and most advanced computer facilities: colossal warehouses packed with tens of thousands of servers that will propel the next generation of Internet applications. Call it the data center arms race.
Randy H. Katz (Sun,) studied this question.