Robin Good: Influencers are those individuals who have enough reputation, credibilityand expertise to affect your interests and choices. That's a very valuable commercial proposition for marketers. But how do you find these influencers.
Some interesting alternatives are starting to emerge, beyond the popularity-based score-based reputation services as Klout and Peerindex.
Jure Klepic reports on this: “Who are these influencers and how DO we find them?
Is there some way of identifying those people who are connected to a critical mass of easily influenced people?"