While Kelly's approach SHOULD work in theory, in reality it doesn't. I
remember speaking to the "experts" at LEAP several years ago, and they
told me the only way to report on the contents of Update Feeds is
through the API (i.e., via a custom app). So that's what we've done in
our company--in our case, to track any changes to the Sponsor of a
Project. I just tried another test report to see if the functionality
has been added, but it hasn't yet. Looks like it's in the Idea Exchange,
though: 115...