Information Architect & User Experience Designer
… ambiguity because the one thing that cannot be tolerated is uncertainty in the man-machine dialog. Sadly, inserting voice in the interaction always inserts uncertainty, too, and that, I predict, will never go away.
Of course, Waze is a revelation for the uninitiated. It essentially turns your car into an autonomous vehicle, with you as a simple robot executing the commands of an extraordinarily sophisticated and crowd-sourced AI.