LOS ANGELES TIMES: L.A. is suing IBM for illegally gathering and selling user data through its Weather Channel app

The suit cited an investigation by the New York Times last month that found at least 75 companies that collected precise location data via smartphone apps — in one case pinging a user’s location 14,000 times in one day — then used it to fuel consumer insight research and the $21-billion location-based advertising industry.

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