Everyone does. This is another step towards that. The top comment says Google has been stop-and-go about this. Well the tech was never there to do it. But they never really stopped playing with the idea. Since 2013.
The current paradigm of outward facing digital cameras passing through to screens is idiotic IMO.
Yeah, the Hololens 2 is still my favorite device and experience. Quite upset Microsoft axed the project and team