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Your Apps Know Where You Were Last Night, and They're Not Keeping It Secret
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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Your Apps Know Where You Were Last Night, and They're Not Keeping It Secret
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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