Smart glasses might be better for some people, but the issue is that no one likes wearing glasses. We developed plastic things you physically press onto your eyeball with your finger because people both (a) need to see, and (b) hate wearing glasses.
Lots of people like wearing a watch. It combines a small bit of practical benefit with the appeal of jewelry/fashion, and it doesn't have the downsides of glasses like pinched noses and ears or the mild social drawbacks (loads of people, my girlfriend for one, hate the way they look in their glasses).
People do wear sunglasses for fashion, but most people would find it uncomfortable and awkward to wear them all the time, indoors and out. Maybe that changes in the future, but right now, I'd bet loads of money on watches over glasses if the contest is between the two.
I enjoy wearing my glasses, as it allows me to see :)
Regardless I think smart glasses are much more useful than a smart watch mainly because of how it can overlay things into your field of vision. Word Lens is a really cool example of this feature(realtime ocr/translation/overlay in your language of choosing).
nice points, I was thinking sunglasses. But my main point was display size: it's a problem for phones, far worse for watches, but no problem for glasses.
Ulimately, yes, smartcontacts or implants, but a long way off. I like eyetracking: only render the bit you're looking at (lower res peripherally). Need super low latency though.
