I must admit I'm not actually keeping that much track of it, because it's too expensive and it's not being released in Europe anyway. But haven't they actually shown off demonstration models. So they do actually have a product right now that they could release.
Google glass never really struck me as a particularly viable product because it basically wasn't very good. Then Google kind of gave up on it rather than develop the technology further.
I happened to meet a Google employee who was wearing a Google Glass back when they were all over the news and he let me demo it. It was actually really neat. There were lots of jokes at the time that it would cause your eyes to go wonky, like The Jerk's invention in the Steve Martin movie, but they were neat little devices and it's a shame that Google never did anything with them.
We could be rocking some cool face tech if we could get consumers educated on what these systems can really do.
If anyone can spread the word, it's Apple. They're masters of marketing, so I'm sure they'll educate everyone adequately if they ever actually release something.
Apple of the Jobs era was way better at using proper standards and bringing consumers up to speed. Current Apple is more concerned with breaking standards to sell proprietary solutions. If the mission is to put a smartwatch at eye level, Apple will not be good stewards of that mission.
They will certainly use proprietary hardware and software, but they'll show the world why it's useful, and anyone interested can choose their platform, assuming there are alternatives.