Are you referring to the MIT studies using wifi signals to track people through walls? https://people.csail.mit.edu/fadel/wivi/ https://people.csail.mit.edu/fad

Are you referring to the MIT studies using wifi signals to track people through walls? https://people.csail.mit.edu/fadel/wivi/ https://people.csail.mit.edu/fadel/wivi/ I'm pretty sure I first read about that on HN, and was immediately reminded of the govt plan to cover the country in wireless transmitters.