Technorati has launched Twittorati, a web service site that shows what Technorati’s top 100 bloggers are tweeting about. For this, Twittorati pulls in the Tweets published by bloggers from Technorati’s list of Top 100 Blogs, which’s determined by Technorati’s Authority Ranking. Authority Ranking is calculated via algorithm of inbound links from other blog posts, and weights those based on timing, relevancy and the inbound link’s site source Authority Ranking. 

More info: Twittorati