You'd probably be correct, the basic premise has been around since 2013
https://news.mit.edu/2013/new-system-uses-low-power-wi-fi-signal-to-track-moving-humans-0628
You'd probably be correct, the basic premise has been around since 2013
https://news.mit.edu/2013/new-system-uses-low-power-wi-fi-signal-to-track-moving-humans-0628