Anarchism

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Motherly advice (media.hachyderm.io)

submitted 6 months ago by [email protected] to c/[email protected]

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Source: https://mastodon.social/@AnarchistArt/112433348152989996

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[–] [email protected] 32 points 6 months ago (11 children)

Holy shit I actually did tell my daughter not to bring her phone to the protest.

[–] [email protected] 13 points 6 months ago (10 children)

May I know what's the reason to not bring your phone? Is it due to concerns of being tracked?

[–] [email protected] 18 points 6 months ago (8 children)

Yes. Even when your phone is powered down, some models still ping cell towers. If it pings one, they know your distance to the tower. If it pings two, both towers know your distance, and the overlapping circles would reveal two positions coordinates, one of which you were at. With some contextual information, it's easy to know/prove which one you were at.

If it pings 3 towers, your exact location, and unique identifying information sucha as your phone's IMEI is revealed. So don't bring a cell.

[–] [email protected] 2 points 6 months ago

interesting description of triangulation

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