Shirky on on-line Groups. I finally got around to reading Clay's A Group Is Its Own Worse Enemy piece. And I'm still not done. But I can already tell he's done a very good job of explaining what's revolutionary about all this stuff (blog, wikis, instant messaging) that many of us take for granted. It is now possible for every grouping, from a Girl Scout troop on up, to have an online component, and for it to be lightweight and easy to manage. And… [Jeremy Zawodny's blog]