I've been a little slow at keeping up with the news these days, but it appears David Snowden has dropped Cynefin for Cognitive Edge. And the landing page is a blog. In discussions in various mailing lists, David always provides thoughtful and challenging responses to the ideas being discussed. It will be interesting to see where he goes with this form of communication.
As he says, he is just Getting started (excerpt):
I am new to blogs, although not to commenting on blogs! I have a nasty feeling that my role on those blogs and also yahoo discussion groups as the "curmudgeon" or as the boy who says that the emperor has no clothes is about to be turned back on me but so me it.