this post was submitted on 30 Oct 2026
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Privacy

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Your Phone Knows You’re at the Doctor, and Data Brokers Do, Too — Then Profit From It (kffhealthnews.org)
submitted 11 hours ago by beep@piefed.world to c/privacy@lemmy.world
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cross-posted from: https://piefed.world/c/private/p/1501511/your-phone-knows-youre-at-the-doctor-and-data-brokers-do-too-then-profit-from-it

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[–] HelloRoot@lemy.lol 3 points 7 hours ago* (last edited 7 hours ago) (1 children)

Here is a fun read:

https://blog.apnic.net/2018/05/24/securing-internet-geolocation-client-presence-verification/

https://arxiv.org/abs/1802.05169

https://people.scs.carleton.ca/~paulv/papers/CPV-TDSC-authorcopy.pdf

tldr: only way to not be located is to leave all smart devices at home (and hope nobody with smart glasses will cross your path, but this part is not in the links)

[–] Atelopus-zeteki@fedia.io 2 points 5 hours ago

Yeah, 'tis so, alas. We have some narrow canyons, and caves around here that can do the trick.