This functionality is already available by requesting the "offline_access" permission when adding an app. Until now facebook asked developers to cautiously make

This functionality is already available by requesting the "offline_access" permission when adding an app. Until now facebook asked developers to cautiously make use of the permission, now it's actively promoting it. By making it the default behavior there is going to be a lot more content than it is today that is posted automatically, thus raising the chances of unhappy accidents. The user dialogs will become transparent to users over time, as they always do.