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I really liked how this was done in the movie 'Her.' There's something especially nice about only having your attention distracted audibly and not visually, especially in public. I wonder if the smartphone age will go away as quickly as it came. I picture a world where we just have smart wearables like a watch which has a tiny visual interface, but a powerful audio one (speaker, earpiece, put watch up to ear, etc). I…
For many functional tasks, I can see an auditory UI being superior. But currently most people use their smartphone to skim content. I don't want the equivalent of listening to voicemail for everything. Not to say that content can't shift for the medium, just as it always does. What would an audio Facebook sound like?
For teens and such I can see the big phone never going away but for most adults, having an inconspicuous wearable just seems like a more refined experience. I imagine there's a logical procession here from desktop > traditional laptop > ultrabook laptop/convertible > tablet > mobile > wearable. You lose functionality with every step, but depending on the use case, it doesn't really matter. For people in my peer group, a wearable that could work without a phone would sell like hotcakes.