How smartphone apps are sharing precise location data with 75+ companies, including advertisers, retailers, and hedge funds, up to 14K times a day (New York Times)

New York Times:
How smartphone apps are sharing precise location data with 75+ companies, including advertisers, retailers, and hedge funds, up to 14K times a day  —  Dozens of companies use smartphone locations to help advertisers and even hedge funds.  They say it's anonymous, but the data shows how personal it is.

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