To fulfill this inspiring vision of local autonomous private sensing, we'll need optical ("Li-Fi") wireless networking, or large-scale RF shielding for perimete

To fulfill this inspiring vision of local autonomous private sensing, we'll need optical ("Li-Fi") wireless networking, or large-scale RF shielding for perimeter surfaces (wall, window, floor, ceiling), as 2024-onward PCs and other devices ship with human activity recognition radar a.k.a. Wi-Fi 7 Sensing. We will also need robust network perimeter firewalls with 10+ years of security updates, preferably based on reproducible, open-source, memory-safe software for all security-critical functions, unlike existing consumer routers that are routinely pwned.