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In a hurry, don't stress, Google Maps is here to help, now!
Peter Dinham
Tuesday, 15 September 2009 09:45
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Google also tells us that one of the coolest parts of
this new Google Maps feature is that “everyone can play a part in
helping other motorists make smart decisions based on traffic
information.” But, how? When Google Maps combines that anonymous speed data with that of other mobile devices travelling on the road ways, across thousands of phones moving across a city at any one time, it can get an even better picture of live traffic conditions, and Google shares it with everyone for free in the Google Maps traffic layer. “The more people that participate the better - because traffic results get even more accurate for everybody,” Google says.
What’s more, in case you’re wondering, Google’s product manager, Andrew Foster, in his posting on the Google website, says that privacy protections have been built into the Google Maps traffic feature right from the start.
“We only use anonymous speed and location information to calculate traffic conditions, and only do so when you have chosen to enable My Location on your phone. Scale provides further privacy protection: when a lot of people are reporting data from the same area, we combine their data together to make it hard to tell one phone from another.”
And, even though the vehicle carrying a phone is anonymous, Foster says that Google doesn’t want anybody to be able to find out where that anonymous vehicle came from or where it went — so it finds the start and end points of every trip and permanently deletes that data. Cool, indeed!
However, if you'd like to stop your phone from sending anonymous location data back to Google, Foster says you can find opt-out instructions here .
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