Philly.com

At any given moment, millions of financial transactions, e-mail, and online videos may be coursing through the circuitry of one of the massive computer server farms that have proliferated in the Internet age. In Alfonso Ortega's thinking, it's a lot of hot air. He's not talking about spam...Gary W. Aron, a vice president of software provider Asset Vue, said that, in earlier incarnations, data-center operators responded to excessive heat conditions by simply cranking up the air-conditioning so much that the wind would "make your hair stand on end."

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