In what must be one of the coolest company names I have come across in a while Cynapse brings these kinds of activity flows to the desktop. It alerts you as to the change in status of many of the objects and relationships in your corporate environment, which are relevant to you and your team. What I like about it is that it is an example of "loosely coupled, tightly integrated"
I posted to delicious.com
You've been noticed: All Roads Lead To RSS, Enterprise Data Capture and Release Scheme
http://voicesage.blogspot.com/2008/12/all-roads-lead-to-rss-enterprise-data.html