message: Expand "Tweet and post everything!"
  Add a list of what social media sites should get release announcements.
  Most of these have already been done in practice, but announcements on
  the users forum have been irregular.
diff: @@ -152,6 +152,10 @@ Decide on a time to do the release, T.
  * **T-5m** - Merge blog post.
  * **T** - Tweet and post everything!
  + - Twitter [@rustlang](https://twitter.com/rustlang)
  + - Reddit [/r/rust](https://www.reddit.com/r/rust/)
  + - [Hacker News](https://news.ycombinator.com/)
  + - [Users forum](https://users.rust-lang.org/)
  * **T+5m** - Tag Cargo the same way as rust-lang/rust and then run `cargo
  publish` for the tag you just created.
  