August 25, 2009
Shared the link Woaw, crazy stuff ! Google is crowdsourcing road congestion data with Google Maps Mobile
When you choose to enable Google Maps with My Location, your phone sends anonymous bits of data back to Google describing how fast you're moving. When we combine your speed with the speed of other phones on the road, across thousands of phones moving around a city at any given time, we can get a pretty good picture of live traffic conditions. We continuously combine this data and send it back to you for free in the Google Maps traffic layers.
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