San Francisco - Blog search engine Technorati on Tuesday launched its own blog advertising network, Technorati Media, TechCrunch reported. The service has been in testing with a number of partner blogs, including BlogTalkRadio, BlogCritics, BlogTV and several other others that count a combined 17 million unique monthly users. Initial advertisers include Honda, Toyota, T-Mobile, Microsoft, Sony, Paramount and Universal Pictures. The network is currently only courting larger blogs, but is expected to open it up to any interested blog publishers in 2 or 3 months.