The graphic jpsdg_services_circles shows how the WebCenter Web 2.0 services are classified. There is a circle listing the Social Networking services: Announcements, Blog, Discussions, Instant Messaging and Presence (IMP), People Connections, and Wiki. A second circle lists the Personal Productivity services: Mail, Notes, Recent Activities, RSS, Search, To-Dos, and Worklist. The Shared services are listed in the intersection of the two circles: Documents, Events, Links, Lists, Page, Tags, and Tasks.