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.
That means “yesterday’s spy tech” that now they will leak to public, because they have a way better way.
I’m not sure of the current state of my tinfoil hat.
Uh-oh, Trump just put a yuge tariff on Chinese tinfoil.