Social Networking Apps for the Enterprise

I've been checking out social networking for then enterprise, here's some stuff to look at in regards to:

BEA AquaLogic Pathways 1.0 http://en.terpri.se/alpathways/demo/demo.html

Cogenz Enterprise Edition 1.0 https://eweek.cogenz.net

Connectbeam http://www.youtube.com/watch?v=bZAwwjm2BEQ

IBM Lotus Connections 1.0 http://demos.dfw.ibm.com/on_demand/Streamed/IBM_Demo_Lotus_Connections-1-Mar07.html