Aaron Wall  posted a blog about how Yahoo!’s recent algorithm update has apparently increased weighting factors for links and authority sites.
Predictibly, a number of folx have complained in the comments added to Yahoo’s “Weather Report ” blog about the update. Jeremy Zawodny  subsequently posted that their search team was paying close attention to the comments, which is always nice to hear.
Coincidentally, I’d also just recently posted  about Google’s apparent use of page text to help identify a site’s overall authoritativeness for particular keywords/themes.
As they say, there’s nothing really new under the sun. I wonder if the search engines are all returning to the trend of authority/hub focus in algorithm development? It’s a strong concept and useful for ranking results, so the methodology for identifying authorities and hubs is likely here to stay.