After reading Valve's new employee handbook, I was really interested in setting up a company map like they described on page 6:
"The fact that everyone is always moving around within the company makes people hard to find. That’s why we have
http://user— check it out. We know where you are based on where your machine is plugged in, so use this site to see a map of where everyone is right now."
What I'm trying to figure out is: how I can tell which machine or domain user (either will do) is connected to a particular wall jack?