Socialtext is featured in a new article in the MIT Sloan Management Review. What's interesting about this is that the author looks not only at what the technology is and how it is being implemented, but also considers the implications for the traditional enterprise as unilateral management control breaks down. Ross' blog has a lot more in the way of detail.
There is a new wave of business communication tools including blogs, wikis and group messaging software — which the author has dubbed, collectively, Enterprise 2.0 — that allow for more spontaneous, knowledge-based collaboration.