A new influencer identification tool has emerged that has quite a bit of promise. Socmetrics, a one-year-old company out of Boston, is similar to mBlast in that it looks at influencers through a topical filter. While Tom Webster may very well be influential in the worlds of social media marketing and market research, he is also an influential voice on wine. And mining his conversations and those around him shows that if you’re looking for it. Tools like Klout, which look at influence in more of a reach-based formula, don’t make topical distinctions very well. Socmetrics does.