I changed the title from “Spying” to “Eavesdropping” because the article actually directly supports that it is “spying” on you, just not listening.

  • Marty_Man_X@lemmy.world
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    7 hours ago

    This can be as “simple” as your phones being in close proximity to each other for an extended period, and sharing device advertising IDs/other device data via WiFi, Bluetooth. Might be more to it, but it’s a likely factor.

    Devices do this regularly btw, smartphones also scrape for WiFi networks to better geolocate etc.