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Comment by darkwater

2 days ago

> (but addresses rotate I believe so can't track persistently)

But maybe you can infer presence tracking the response time? Could be exploited anyway, no?

yes! I've had the same thought. If you have only one neighbor in range, seems like you could definitely infer their presence and approximate range based on latency. Phones don't keep AWDL active all the time, but every time you swipe control center it perks up I think.

Could also detect when someone is hosting a party or something.