https://www.cnet.com/news/hololens-2-hands-on-this-feels-like-practical-magic/

Microsoft's HoloLens is back, and retooled. The new version of the company's 3-year-old mixed-reality headset, which is now available to order for $3,500 and is coming later this year, fits easily over my head and glasses. It feels like an industrial tool, a welder's mask. I can see just fine. I go through the eye-tracking setup, and a grid of dots appear. I follow the dots, from one corner to the other, side to side. It works. Now, Microsoft's new Dynamics 365 Guides app is launched. This is my instruction set.

The best way I can describe it is like Google Maps' turn-by-turn directions for real world instructions -- or like a floating Lego manual for reality. I move my eyes over each step-by-step card that floats in the air in front of me. I'm told to put the bike into neutral. Now, a floating arrow arcs through 3D space to show me the gearshift on the bike and where I should move it. I do it. I move my eyes to the next step. Now, I adjust a loose bar on the bottom. A long dotted arrow arcs to a toolkit against the wall, pointing to a ratchet. I almost grab the wrong one, realizing the arrow is pointing me to another tool. My eyes move to the next card. Another arcing line shows me the way to a bin of nuts, to grab the right part to screw in.