I think future home privacy will go beyond blinds. We will be lining the walls in RF blocking sheets.
QuietRock 530RF drywall will block sound and RF, https://www.buildsite.com/pdf/pabcogypsum/QuietRock-530-Inst...
Or on a room level? How do you control for RF leaks? How do you handle windows and doorways?
I’m fascinated.
Windows = RF-blocking conductive mesh: copper (expensive) or nickel-copper-polyester.