Part IV contains the following chapters:
Chapter 13, "Working with the Announcements Service"
Chapter 14, "Working with the Discussions Service"
Chapter 15, "Working with the Documents Service"
Chapter 16, "Working with the Events Service"
Chapter 17, "Working with the Instant Messaging and Presence Service (IMP)"
Chapter 18, "Working with the Links Service"
Chapter 19, "Working with the Lists Service"
Chapter 20, "Working with the Mail Service"
Chapter 21, "Working with the Notes Service"