To be more specific...
Thanks for the referencing :)

In case people do not want to search through my blog to find personal knowledge management references:

Discovering the iceberg of knowledge work: A weblog case (my paper on the topic)

Links to all posts on PKM (click little triangle on the left if it's not open) - http://blog.mathemagenic.com/topics/topicsP.html#personal_knowledge_management