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A comment on A way to track people with cellphones with GPS capabilities turned off. Parent comment
Maybe "How smartphones can track you, even when you turn GPS off"?
But also, these researchers apparently didn't have access to cell-tower location data. Or at least, it's not mentioned in the article.
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Maybe "How smartphones can track you, even when you turn GPS off"?
But also, these researchers apparently didn't have access to cell-tower location data. Or at least, it's not mentioned in the article.