Technorati, originally a blog search engine, is now a full service media company providing services to blogs and social media sites and connecting them with advertisers who want to join the conversation, and whose online properties introduce blog content to millions of consumers.
Technorati collects, organizes, and distributes the global online conversation. Technorati looks at tags that authors have placed on their Web sites. These tags help categorize search results, with recent results coming first.
Technorati rates each blog's "authority", the number of unique blogs linking to the blog over the previous six months. Technorati tracks not only the authority and influence of blogs, but also has the most comprehensive and current index of who and what is most popular in the Blogosphere.
Technorati Media is an advertising network of blogs and social media sites that places brands in the center of the global online conversation.
Technorati Engage is a self-service advertising network of blogs and social media sites.