2. A computer-implemented method for providing effectiveness indications for social networking activity, the method comprising: identifying a social networking activity performed in connection with a profile associated with a first user; identifying a plurality of actions performed with respect to the social networking activity by one or more other users exposed to the social networking activity, wherein the plurality of actions include explicit actions and implicit actions; for each of the plurality of actions, determining a total number of unique users performing the action; and calculating an activity score for the social networking activity based on the determined number of users performing each of the plurality of actions.
10. The method of claim 2 , wherein the social networking activity comprises a post, the post comprising content posted to the profile associated with the first user.