On this tab, visiting users can explore in more detail the user's position in the organizational hierarchy.
If the browser has Microsoft Silverlight support enabled, visiting users can take advantage of the visual interface shown in Figure 2 to hone in on individuals to see the organizational hierarchy from their perspective.
If is called with no query strings, the profile of the current user is displayed.
However, the page is also used to show the public profile of users to other users.
Some of this information can be imported from other information sources (such as synchronizing the user profile with AD), but generally it’s the users themselves who know what skills they have and what they’re working on.
The Share Point designers know that most people generally won’t go out of their way to provide such information.
This action writes a note on the user’s note board, which subsequently finds its way into the user’s newsfeed.