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[–] 63 points 6 months ago (7 children)

The researchers analyzed data from Canadian mobile devices travelling to U.S. metro areas

Yeah, there's your problem. People I know leave their phone at home and use a burner for US travel now.

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  • [–] 7 points 6 months ago (2 children)

    Wouldn't this mean they underestimate the number of people who are in the us from canada, rather than over estimate?

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