User Profiles and Social Data Class Library
This class library for Microsoft SharePoint Server 2010 includes the public namespaces that are usable by third-party developers.
Contains classes that create, gather, and publish news feeds. Some of the most commonly used types in this namespace are, ActivityManager, ActivityEvent, ActivityType, ActivityTemplate, and ActivityTemplateVariable.
Contains classes that create audiences and target data to a specific audience. A commonly used type in this namespace is AudienceManager.
Contains classes that create and manipulate User Profiles. Some of the most commonly used types in this namespace are UserProfileManager, OrganizationProfileManager, MemberGroupManager, and ProfileSubtypePropertyManager.