Your WiFi router knows it’s you
Just what modern privacy needed: one more invisible thing keeping tabs on you.
Turns out you may not need to carry a tracking device everywhere if the room itself is already doing the job: researchers say ordinary WiFi can recognize individuals with startling accuracy just from the way their bodies disturb radio waves.
“By observing the propagation of radio waves, we can create an image of the surroundings and of persons who are pr…



