Nice summary - you "filtered out" the best bits for me :-)

I missed the actual TweetChat, but it seems like a nice way to brainstorm a topic. And as your post illustrates nicely, a human "filter" that collects, organizes and cleans up the information is very valuable.

This discussion inspired me to write an article about PKM, filter failure and information overload:
- http://ppcsoft.com/blog/pkm-filtering-info-overload.asp