WiFi and other through-wall radar sensing has been sold to governments for more than a decade, and research code/firmware/papers have been online for 5+ years.

WiFi and other through-wall radar sensing has been sold to governments for more than a decade, and research code/firmware/papers have been online for 5+ years. WiFi 7 Sensing expands the list of ecosystem participants to hundreds of millions, i.e. it's about scale and ubiquity, not any particular actor. No one can predict what it means to abolish opaque walls. Observations are going to alter the observed.