> you couldn't talk to your passenger while you were "driving" because that might make the car do something weird. This even happens while walking my dog. If m

> you couldn't talk to your passenger while you were "driving" because that might make the car do something weird. This even happens while walking my dog. If my wife messages me, my iPhone reads it out and, at the same time, I'm trying to cross a road, she'll get a garbled reply which is just me shouting random words at my dog to keep her under control.