It’s Six Degrees of Serndipity. Maybe I’d never have been interested in, say, motorcycle maintainance on my own, and none of the people on my RSS reader or in my Twitter feed are either since they all have similar interests to me. But just possibly, one of my weak ties might have his own weak ties to a motorcycle gearhead….

This is why linkblogging is such a critical web activity. A chain of links can take you almost anywhere, on the web; and provided I can trust each link in the chain to direct me somewhere interesting, I will always end up somewhere interesting.