If you've read Dare's recent post titled: "Mash-ups 2.0 - Where's the Business Model?", you will notice that it's filled with juicy Web 2.0 currency (URIs). Thus, rapid extraction of the embedded URIs becomes essential (I want see those mash-ups ASAP..)
Here is what my Virtuoso based blog system enables me to do with ease:
1. Grep all the URIs from Dare's "Mash-ups 2.0 - Where's the Business Model?" post via its linkblog.
2. Use Dare's Trip report to track broader Web 2.0 conversation across the blogosphere via its Summary Page.
In all cases relating to items 1&2, ensure that the content is syndicated in a range of formats (including the often forgotten XBEL which is a short-cut for building up your bookmarks database).