Earlier quoted context omitted.
> I.e. never? I mean, I can picture making phone calls or dictating SMS by voice with a smart watch, but people are not going to be browsing the web or taking pictures with a tiny wrist device when they already have a 5-6" inches display device on their pockets, and almost no one would ditch the latter for the former if they had to choose. People might also not have 5-6" devices in their pockets, but special glasses…
If we're assuming the existence of non-sucky smart glasses or contact lenses [1], why exactly would anyone use a smart watch? [1] Smart contact lenses are such a crock. Seriously, guys, how do you think you're going to power these things?
It could basically split smartphone features into two gadgets that are easier to carry around. For that, though, we still need quite a few leaps in miniaturization.