How do we know this isn't double speak? Maybe they aren't listening to the conversations per se, but for an audio beacons in television and radio? http://www.

How do we know this isn't double speak? Maybe they aren't listening to the conversations per se, but for an audio beacons in television and radio? http://www.theatlantic.com/technology/archive/2015/11/your-phone-is-literally-listening-to-your-tv/416712/ http://www.theatlantic.com/technology/archive/2015/11/your-p...