Sign of the times...
During the last Internet boom, hardly anybody thought about how much electricity a computer uses. But in the past few years, the energy cost of running large data centers has become one of the industry's hottest topics.
It's even affecting national security: The Baltimore Sun recently reported that the National Security Agency's headquarters can't add more computers, because the local electric company has no more power to spare.
Source: Energy costs bring retooled computers - The Boston Globe
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