They have to have a warrant to listen. What's the difference between that and tapping your home phone? Whether we like it or not we are tracked. If you have a device that lets you automatically pay tolls, they know when you're on the highway. When you use your credit card, your whereabouts are known. When you use your cell phone, your approximate whereabouts are known. What's the big deal?
Totally agree
If I ever have the need to do that I'll do what Tony Soprano does and go into my basement with the furnace going!
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I needed that!