Robert Scoble, in his opening comments here at the Blog Business Summit in Seattle said that passion and authority are two attributes of blogs that make them compelling.
There's a guy sitting beside me, Mitch Ratcliffe, who is posting detailed notes about the presentations.
Before blogging became all the rage, Tom was posting book reviews and Observations (essentially early blog posts) to this site. You can find the archives below.
What we're talking about
on the front page.