The Social Feed widget allows the user to see all recent activity (status updates, etc.) by the people they are following. The Social Feed will also show the user’s own activity.
There are no customizable settings that an administrator needs to set for this widget.

Users viewing the Social Feed widget can take the following actions:
In order to be able to post to your Social Feed, the Social Wall Status Post widget must also be present. These two widgets work hand-in-hand.