Anybody who believes that voice controlled user interfaces are the future has never had to try and use Siri or Google to get directions with my future mother-in-law sat in the passenger seat nattering away about nothing at all.
It is nigh on impossible to actually ask for directions and she (my future Mother-in-law, not Siri) is in the habit of answering for the phone.
“You know your car’s navigation system is very rude. It rudely interrupts me when I am talking to you.”