Your phone's wifi signal can be used to identify your gait (way you walk). Your gait is unique enough that it can be used to identify you. If there is prior video footage of view, it can be matched to that too. Impressive research, scary implications nakedsecurity.sophos.com/2019/

@axx You hardly even need anything this sophisticated most of the time. There are a ton of ways to identify cellphones uniquely via wifi, bluetooth, or the mobile signal itself. And most of the time it's trivial to link a cellphone to a person.

The signals can even be picked up from space using an antenna array and processing that's well within the budget of government spy agencies.

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@freakazoid true! I was just sharing "new and novel ways" to be uniquely identified

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