I remember reading this when he first posted and finding quite a few good insights, some expressed a little idiosyncratically but I think that's in the nature of people doing original thinking. It's stream of consciousness but that fits with his goal to capture and curate his thoughts. The section that begins

   Here's a Speed List: "Electronic Collaboration" 

in chapter 6 Intra-Subject Architecture (see http://speakeasy.org/~lion/nb/html/doc007.html ) contains good insights into how to leverage email, wikis, and mindmaps.