“Planners in Rio de Janeiro are watching the aggregated data feeds of thousands of smartphones being walked or driven around a city, thanks to two popular travel apps, Waze and Moovit. The goal is traffic management, and it involves swapping data for data. More cities are lining up to get access, and while the data the apps are sharing is all anonymous for now, identifying details could get more specific if cities like what they see, and people become more comfortable with being monitored through their smartphones in return for incentives. The app can tell how fast a driver is moving and even get a complete record of their driving history.”
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