A couple of my friends were interviewed by another friend on the topic of the early days of the  transformation of the internet from 2D to 3D:
http://www.metanomics.net/archive080408

This kind of presentation will become more and more common as time goes on and it will only get more sophisticated the technology matures. I am sure that by the next presidential election cycle, you'll see serious debates, town halls, interviews, etc.,  conducted in this venue.
Great fun.