Group or page?

Should you set up a group or a page? The answer depends on what kind of interaction you want, and the resources you have.

Group Page
Anyone can post Admins can post
Anyone can comment Anyone can comment
Posts go to top when commented on Posts appear in chronological order
One admin role Multiple levels of admin roles
Pinned post Pinned post
Public or closed or secret Public

A group is best used for discussion, while a page is most useful as a static information source.