While anything's possible, it would be pretty shocking if Facebook figured out how to, on iOS (I can't speak for Android): * Record audio if the app's killed c

While anything's possible, it would be pretty shocking if Facebook figured out how to, on iOS (I can't speak for Android): * Record audio if the app's killed completely * Record audio with microphone permission disabled * etc. All of which have been claimed. The far more likely scenario is that we're much more predictable than we think. Remember the target controversy when they figured out a teenage girl was pregnant before she had told her parents [1]? That happened in 2012. Imagine how much more advanced things have become since then. 1: https://www.forbes.com/sites/kashmirhill/2012/02/16/how-target-figured-out-a-teen-girl-was-pregnant-before-her-father-did/#259f6bd56668 https://www.forbes.com/sites/kashmirhill/2012/02/16/how-targ...