Backtype – Find, Follow, and Share Comments on the Web
Backtype is a “conversational search engine”. It allows you to claim the comments you write on the web. Set up an account and invite others to follow when you are participating in conversations, anywhere on the web. You can also subscribe to search terms and follow when people are talking about your topic on blogs, social networks, and other social media. Other useful tools include viewing all of the conversations pertaining to a specific article or post.
contact page: http://www.backtype.com/about