Microsoft's cloud-based GPS gets your location with a tiny fraction of the power | The Verge - 0 views
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Simeon Spearman on 26 Dec 12"Using the researchers' technique cuts that to 0.4 millijoules - a 99.96 percent cut. The team believes that the dramatic improvement in efficiency will lead to new services based on continuous GPS logging; for example, building a database of noise pollution levels in a given city, or getting tailored directions or search results based on the routes you most commonly drive."