Christopher Klaus is a founder of Internet Security Systems, which was sold recently for $1.2 billon, and is now the founder of Kaneva, a virutal world. He talks about Web 2.0. 
and social networking. His talk is captured on this podcast from SoCon07.
He speaks of word of mouth, gaming, social networking, and virtual worlds and how they are coming together.
Photo by Josh Hallett and podcast by the Georgia Podcast Network.
As you might know, the Harnisch Foundation under the direction of Ruth Ann Harnisch gave us a substantial gift to start the Center for for Sustainable Journalism at Kennesaw State University. We are up and running. Keep abreast of what is happening at SustainableJournalism.org 
Leonard Witt is the Robert D. Fowler Distinguished Chair in Communication at Kennesaw State University and the chief blogger of PJNet. His academic interests include public and citizen journalism and how to get citizens' voices heard. He has spent most of his professional career as an award-winning journalist.