1. Authenticated User opens his settings tab.
2. Authenticated User chooses the privacy settings for his personal information (private or public).
3. Authenticated User enters his old password.
4. Authenticated User confirms the changes.
5. The system updates the user’s privacy settings.

4.
    a. The old password provided doesn’t match the user’s actual password.
        1. User is notified of the error; Use case continues at step 2.