Is Social Software the new Knowledge Management?

For those who were involved in KM or KM-related solutions a few years ago, the words "Knowledge Management" bring to mind terms like "black hole", "no ROI" or worse.
The good news is that some of the new social software technologies are enabling KM results without  high costs and lengthy implementation efforts.
Recently, I have been using JotSpot, a simple wiki application, to create an intranet for Alacra.  For those interested, I've blogged my experiences on the Alacra Blog.