This, of course, is the biggest problem with AR tech - you can only "add" light, not "subtract" it - meaning you can only make pixels brighter than they are, no

This, of course, is the biggest problem with AR tech - you can only "add" light, not "subtract" it - meaning you can only make pixels brighter than they are, not darker. Essentially this will be unusable in bright daylight. Notice how all the promo videos are filmed in fairly dark rooms.