Spaces are similar to Discord "Servers" or Slack "Workspaces" (but more extensible through the Space owner by extensions); you can be part of multiple spaces at

Spaces are similar to Discord "Servers" or Slack "Workspaces" (but more extensible through the Space owner by extensions); you can be part of multiple spaces at once. There is minimal algorithm on the main feed, apart from the ones you add through extensions.