14. The method according to claim 13 , wherein scoring includes an act of executing, by the computer system, scoring rules to assign an action value to a content item based on a prior user action with the content item.
14. The method according to claim 13 , wherein scoring includes an act of executing, by the computer system, scoring rules to assign an action value to a content item based on a prior user action with the content item. 16. The method according to claim 14 , wherein the scoring including adding the action value to any existing action value for the content item.