Scientists in Germany have demonstrated a startling new form of surveillance: identifying people using nothing more than ordinary WiFi signals. By analyzing how radio waves bounce around a room, researchers can effectively “see” and recognize individuals — even if they are not carrying a device and even if their phone is turned off.
and this is why you should flood your home with as many APs as possible. I have 17 APs running in my 1000sqft house.
can’t find shit if it’s too noisy.