You can ask an assistant to take your calls and get the caller to ring back, leave a message or deflect ire while you play golf. You can ask an assistant to answer questions where you don’t even remember ‘what’s his name’. A human assistant can use initiative and think of things and action them for you.
Obviously we will need to settle on a happy medium of auditory, UI overlay, graphical, tactile and maybe even olfactory interactions. We as designers, UI and UX ninjas will need to ramp up our skills to include: data analyst, robotic geek, biology nerd, science dweeb, aroma therapist, physical therapist and psychology neophyte.