# Activity Stream **Activity Posts: Users can write Posts on Activity Stream and Profiles.** **Privacy: 3 default Privacy settings for users’ content: Public, Site Members, and Only Me.** **Nested Comments: Comments under Posts are nested so users never lose track of the conversations.** **Pinned Posts: Admins can pin posts to the top of the Activity Stream – these are great for making announcements.** **Reporting: Users can report content they don’t agree with or find offensive. Admins get notified about it.** ####