Network Site Status Changes: We have a feed of new proposals to Area 51, but this may be a superset of that. I'm not sure if proposals should be included, but it would be nice to know when a site enters Private Beta, Public Beta, Graduates, or Closes. I know there's some talk about the graduation process, but this would be a feed of site status changes, regardless of what those are.
There are at least some feeds for this:
