I think many of my objections are fundamental. How will eyeglasses control external light bleed without physical blockers? How will battery technology adapt to

I think many of my objections are fundamental. How will eyeglasses control external light bleed without physical blockers? How will battery technology adapt to a wire-thin design language? How will the field-of-view extend beyond the glasses? How will you manage the user's interpupillary distance and allow it to be manipulated on the fly? The greatest trick the devil pulled was convincing the world technical limitations don't exist. Flying cars sound cool, until you consider every single logistical limitation that prevents it from being a commercial reality. Yes they exist, but are they practical? Will they ever be?