The graph above is an analysis of how blogs from my blogroll are interconnected. I did it by fetching today's RSS-feeds from the blogs, then parsed each individual blog posting and looked for links to other blogs from the blogroll.
I was a bit surprised how many connections there are given the fact that I just fetched the current state of each RSS-feed. Maybe that's because I was just looking for Domain-Names, so youtube.com for example appears as one blog, regardless to which user/video one links.
Next I'll do an analysis on blog-posting/URI-level. That way this could turn out to be a more accurate conversation tracker.