Paul Hammond writes about Chaos Theory and Link Propogation with regard to how the css border slants link traveled through (a subset of) the weblog world.

I noticed too how nice it was that I could trace the link back from Arthur is verweg! to Simon Willison to Paul's site, all thanks to precise permalinking: pointing to specific entries rather than the front page of the originating blog. And if the sites in question allow visitor comments, this means jumping from one relevant conversation to another, to another, etc...