It's the sort of the thing that might help you to sell the idea of using them for collaboration, knowledge sharing etc to people who have little knowledge of what Web 2.0 is all about. It looks like it would be a useful awareness raising tool.
I've failed to embed it, here's the link
This video, by Commoncraft, is clever, short and amusing, and demonstrates how a wiki can be used. But it's NOT one for demonstrating the business benefits of using a wiki for collaboration to your CIO.