The Deep State and Its Tentacles by Judge Andrew Napolitano

When Gen. David Petraeus was the director of the CIA, he admitted in a talk he thought was secret, but which was secretly recorded, that the CIA has access to all microchips in your home.

Thus, if you own a microwave oven, the CIA is quite literally in your kitchen. If you use a cellphone or drive a car, the CIA quite literally goes wherever you do.