Or they can datamine and advertise to you based on tatoos, sexual orentation, visbile brand names, etc. Pop the mic on and get some audio at the same time to futher personalize advertisements.
This kind of thing is now happening a few times per week. Are there any non-eavesdropping explanations for how this is possible?
Short answer, no, they probably aren't listening. But they know enough other information about you that they don't need to.