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  • Every step you take

    Boston Globe - 07/24/2018

    This surge in geotargeted ads is raising the ire of privacy advocates, who say marketers can learn far more about us from our location data than we may realize. David Choffnes, an assistant professor of computer science at Northeastern University, has found that some retailers’ apps, running in the background of our phones, collect the GPS coordinates from users every two minutes.

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