The "social publishing framework" was removed in Alfresco Community Edition 5.0. See: https://wiki.alfresco.com/wiki/Alfresco_Community_5.0#What.27s_Removed_from_Alfresco_Community_5.0It proved to be a hard feature to maintain given the dependence on 3rd party APIs. It also did not appear to be widely used.The Media Manager Module for Alfresco Enterprise Edition restores the social publishing framework, but it only has the end points specifically requested by those customers who purchased the module.