This image shows the Activity Stream Options dialog and the Options link one uses to open it. The dialog has three tabs: People, Spaces, and Settings. The Settings tab is forward. It is divided into three sections: People, Spaces, and Service Categories. The People section provides a menu for selecting whose activities you want to see. The Spaces section provides a menu for specifying whether to see activities from spaces. The Service Categories section provides check boxes for selecting the services from which to display activities.