Which means users can add keyboards or mice or whatever else links up via the wireless protocol. But what volume of users are we talking about? Why now, and cui bono? Last we heard back in December 2015, the Google Glass designers (rechristened under the Project Aura name) were preparing to present a sleeker, tougher version for enterprise that has yet to launch. In any case, if you're one of the AR diehards still trucking around the consumer Explorer model, this update's for you. And possibly only you.