The map room is a physical room-size wiki for collaboration from the 1950s https://interconnected.org/home/2023/01/20/map_room

It’s a mixed reality space. It needs the “space” part because it relies on embodiment; as the essay says, it matters where you are, what you’re focused on, what’s in your peripheral vision, what the others around you are looking at.

Seems like a killer app for HoloLens.