First, I have tremendous respect for the people who have joined me on this list; I’m in great company. Learn more about them here: Top 25 Sales Influencers for 2012.
Second, OpenView Labs takes a scientific approach to selecting its top influencers. OpenView Labs leverages the Klout True Reach metric to calculate social media influence. They also examined blog activity, and other more traditional content. You can read more about their selection process toward the end of this post here: Marketing Channel Research: How to Design a Prioritization Scheme.