Xobni
http://www.xobni.com
(Link Preview)
This is a plugin for Outlook that helps establish relationships between yourself and you contacts according to your emailing behaviors. It also helps you lookup past conversations with a person according to the message you currently looking at.
Could be a great tool for the inside sales rep or a as a tool to keep straight who someone is that you met at an event and followed up with.
http://www.xobni.com
