Combine this technique with something like this: https://www.medgadget.com/2014/06/mits-wifi-system-detects-peoples-breathing-heart-rate-even-through-walls.html

Combine this technique with something like this: https://www.medgadget.com/2014/06/mits-wifi-system-detects-peoples-breathing-heart-rate-even-through-walls.html https://www.medgadget.com/2014/06/mits-wifi-system-detects-p... and we can start modifying people's responses to any ads or other media that has audio. Just pipe in fake respiratory signals under the source audio and boom, that car ad really got your heart racing.