Blogs are knowledge objects that can make bottom-up (i.e. useful) knowledge management a reality. As you may be aware, I've become a champion of using Web 2.0 technology to upgrade corporate learning and performance. In his Journal of the Hyperlinked Organization (JOHO}, David Weinberger describes the role of blogs inside corporations:

I continue to believe that for many companies the best path to blogging is by using them internally as a knowledge management tool. The dream of KM has been that people will write down what they know. KM regimes, however, have assumed they would have to discipline people into doing that. Blogs entice people to write down what they know and to share it widely. A project blog or a department blog not only surfaces and shares knowledge, it also makes it searchable and archives it. And once a company gets used to internal blogs, it's only natural (if anything about a corporation can be said to be natural) to open up some blogs to trusted customers and partners, bringing them into the intellectual bloodstream of the organization. And then why not open some blogs more widely? Thus companies inch their way into the blogosphere. Doesn't this make more sense than paying consultants to install some humongous KM system that nobody uses? Shouldn't we be capturing the know-how of front-line workers who actually know how? Why aren't more organizations getting on board with this?

jay