Change Tracking - Other Useshttp://blogs.technet.com/isablog/archive/2008/07/17/change-tracking-other-uses.aspxOne of the unexpected uses I've found for Change Tracking is to learn how UI changes are translated to COM-level changes. For example, how is this radio button stored? Let's enable Change Tracking, make some changes and try: Policy Rule [PubExch] [PublishedServerType]en-USCommunityServer 2.1 SP1 (Build: 61025.2)