That sounds like a really interesting feature! Trying to find some documentation on this specific feature but it's hard to find exactly what you're talking about.
1) Can you elaborate how "hierarchical chat room" works and how fleets in Eve Online use this?
2) Do other game chat apps like Discord implement anything similar?
1) Can you elaborate how "hierarchical chat room" works and how fleets in Eve Online use this?
2) Do other game chat apps like Discord implement anything similar?