Web 2.0 choices

What is the most effective way to share ideas and keep conversations going, electronically, for this kind of a workshop+? The blog is linear, but is useful for catching up with highlights quickly, and making on-topic comments. The wiki has a lot more flexibility, and is already actively being worked on. So the wiki is likely to get most of the action. Stay tuned to the blog for continuing 'linear' updates of daily highlights and issues, and if interesting things develop, the ideas can be expressed more fully into the relevant parts of the wiki.

Onwards!