I was happy to discover that this blog has a Technorati Authority of 401! As the score runs from 1 (lowest) to 1000 (highest), I am quite pleased with that. So what is this Authority?

Technorati Authority measures a site's standing & influence in the blogosphere. With the October 2009 redesign of technorati.com, we’ve changed the Technorati Authority calculations to better reflect the continually changing attention of the blogosphere... Authority is calculated based on a site’s linking behavior, categorization and other associated data over a short, finite period of time. A site’s authority may rapidly rise and fall depending on what the blogosphere is discussing at the moment, and how often a site produces content being referenced by other sites.