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Sensors For Tracking Home Water ­se

By Technology Review

June 30, 2009

When a cell phone or credit-card bill arrives, each call or purchase is itemized, making it possible to track trends in calling or spending. Within the next few years, household utilities could be itemized as well, allowing residents to track their usage and see which devices utilize the most electricity, water, or gas. New sensor technology that consists of a single device for each utility, which builds a picture of household activity by tracing electrical wiring, plumbing, and gas lines back to specific devices or fixtures, could make this far simpler to implement.

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