Looking at these slides, I wonder if there would be a future for private territories.

Say I want to onboard my colleagues and use the Stacker News platform to have scientific interactions with them, I would not want outside people to join that territory. Maybe something that would work on invitation by the territory owner.

Of course, the other option would be to fork off stacker news and make my own myGroupName.news platform which is kept private from the rest of the world. But this would require maintenance and hosting efforts.