"Technorati has announced a new feature called Topics. Topics is basically a "river of news" from selected blogs in Technorati's six major categories: Entertainment, Technology, Politics, Sports, Business and Life. The stories from these blogs scroll down the page as they are written. According to Technorati, the blogs that are included are picked based on a variety of factors, including, "Technorati Authority, frequency of posting, use of relevant tags, links to related subject matter and general topicality."