Great question. If you are going to regulate it, which is a lot of what this blog intends to be about, or if you even hope to be able to grapple with it in legislation, you are going to have to be able to name it.
As far as I can tell, this is the only decent stab at it so far:
Let me know if you know of anyone else taking a shot. I’m going to find out more about what is happening with this effort.