Looks interesting, from the first page or two. I'm very much into the idea of breaking down barriers between "doing stuff" and "collaborating" (that's pretty much my dissertation topic); I like the idea of working on that in the IDE.
From the individual developer's perspective, the IDE (integrated development environment) is where coding takes place and is the home of many different development tools. If coding is a team effort, then why not add collaborative capabilities to the IDE toolset alongside the editor, compiler, and debugger? In this article, we explore this notion of integrating collaboration into the IDE.
ACM Queue - Building Collaboration into IDEs
Unforuntately, the interface to the website is pretty bad... very annoying to try to print. Too bad--looks like there's a lot of articles that might be interesting.
(Incidently, I've interned twice with this team at IBM Research.