you basically hit the spot. He never realized the phone with it's size and fit factor in everyday life cannot be replaced by a headset that is so intrusive. It's good for games but anything else likely a hassle to the norm.
We can probably expect VR/AR to take about that long if not longer. So Mark might not be wrong, he just might be way early.
Sometime by 2035 a company will build light field display glasses than can translate language, operate industrial drones, and operate remote chat. It probably won't be meta
Well, fingers crossed that isn't the case. I for one am never strapping something anywhere near as large as current devices to my face as a replacement for sitting in front of a couple of monitors.
I think if you had something like google glass, but made my Apple, and looked like normal glasses, that could be big, but still not as useful as a smartphone because of the input limitation. It would be as useful as an Apple Watch at first, but with a bigger screen.