It's probably not glasses. Nobody likes wearing glasses. Every attempt at making tech glasses has failed. It'll probably be the Apple Watch.
I won't buy Meta products but I keep waiting for someone to do VR workspace right - where I can truly work and travel from anywhere with a decent chair and a desk for keyboard (no need to lug around monitors, no need for huge table).
Having said that, for me to spend money on it it would (a) also be able to realistically replace my set up at home, which currently consists of 2 HiDPI screens and (b) not be that much more expensive than what that cost me.
I remember seeing AirPods in somebody's ears for the first time. "What a dork" I thought back then. Now they're cool and everywhere.
One of these things is true.
AirPods are cool by that measure as well.