In your dinner conversation, you stated, “Police can monitor every thing you do on the net and that can monitor you. ”
Taken at face value, that sounds a small paranoid, and I also want to address that.
Literally, it is true. They can.
Possibly in certain national nations and jurisdictions, they are doing.
However in almost all of the global globe, they don’t. Generally in most nations, the police can’t just “monitor whatever you do” for a whim. They need to get yourself a court warrant or order very very first. Only then can they compel the ISP