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Inside social networks, blogs and Twitter is a veritable gold mine of information on who’s influential and how people distribute messages through a community.

Traackr wants to harness that by launching its “A-list” or “Authority List,” which can give you a list of the most influential people online for any given subject. It’s announcing the service today at DEMOfall 09, the technology conference co-produced by VentureBeat.

If you’re a marketer or a public relations professional, you enter a series of terms you’re interested in spreading messages about. Traackr looks for blog posts and tweets that contain keywords matching those terms. It then searches for who has created them. It returns a list of people with infographics breaking out what their professions are and what mediums they prefer.

Traackr also returns a series of data points — how far their messages travel and how on-point they are with your terms. (Just for comparison, other Twitter searching services usually incorporate factors like the ratio of a user’s followers to how many people they follow and how often their ideas are retweeted or shared.)

It’s an idea that if done correctly, could turn conventional public relations and marketing on its head. The advertising industry has made steps in this direction by courting bloggers and influential Twitterers for campaigns, but a market leader that makes it easy and efficient to figure out who to reach out to hasn’t emerged yet. Traackr has built up a consulting business with clients like Honda, but its “A List” represents a step toward a more scalable answer to the problem.

Traackr also returns analytics or how successful you are actually with your campaign. The Boston-based startup is self-funded.


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