evacide12h ago
Yael's post demonstrates something about digital privacy/security that I think a lot of people miss: there is no right answer, just a series of trade-offs. And every person has to make their own decisions about which trade-offs are worthwhile. https://blog.yaelwrites.com/options-for-phones-at-protests/
Options for Phones at Protests

Simply showing up to a protest leaves you susceptible to all sorts of surveillance, including cameras, drones, facial recognition, and more. There's not always a lot you can do about pernicious street-level surveillance, but you do have a lot of choices when it comes to your phone. Because there's no

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Show threadWolf480pl

@evacide
> even if your phone is turned off, it will still send out Bluetooth signals to broadcast its location

wtf? where can I read more about that?

9:12amWeb
Show thread🄻🅄🄽🄰3h ago

@wolf480pl bluetooth and wifi scanning is used to get more precise location data in urban areas

while u are using ur phones location services the device doesnt just listen 2 gps signals,
but also cell towers, wifi and bluetooth signals

both google and apple have big datasets of locations "RF landscape" which on top of gps is used 2 get more accurate location data and whenever you are using their map apps u are contributing 2 that dataset

on top of that if ur logged in with ur personal icloud / google account they can build quite the dataset on u and ur life

Show threadWolf480pl3h ago

@44
Yeah, I know that. But what you're describing requires the phone to be *turned on*, right?

And I'm explicitly asking about the statement from OP's article that says a *turned off* phone still communicates via bluetooth.