Sep 222011
 

Facebook has made two significant changes to how users interact with Pages. Now, users don’t need to have Liked a Page to be able to post on a Page’s wall or comment on its updates. This allows more users to join conversations, which could add more perspectives to discussions but also dilute them with unrelated comments, or drown them with complaints.

via Facebook Allows Users to Comment on Pages Without Liking Them, Adds Friend Activity Tab to Pages.