Rest assured folks, whatever they are, whoever owns them, whatever their intended purposes.........................................
THEY are watching you.
Me too, but this summer when the weather is nicer I'm going to Farraday cage the house. And for extra protection, lead foil on the office walls and a reflective coating on that room's window. Something high tech that will look "normal" from a distance, so's to not give the secret away or it would be no secret.