Disruption is happening. We're about to launch a platform which takes a $100 Bn market and democratizes it by putting it online. And, we have some key Wall Street support.
The people who are creating these disruptive technologies are the insiders who have intimate knowledge of these systems. It's not necessarily going to be a new GUI on top of an old idea, as someone else put it in this thread.
My original comment to Chris is over a year old on that very same blog post. It's actually a bit embarrassing, since I really should have found a better way to try to contact him.