I am currently a senior vice president at Edelman Digital, the interactive arm of global communications firm Edelman. I have 14 years experience in the industry with the majority of my time spent in digital marketing and user experience design. An active participant in the industry, I write Logic + Emotion which is ranked in the top media + marketing blogs according to Advertising Age. My writing and visual thinking has been cited by Forrester, The Boston Globe and has landed me in BusinessWeek on several occasions including their “Best of 2006”. I also write at the Harvard Business Review.
Editor's Note: This article was originally published as a Quora answer. David's answer, below, struck us as a great outline of the indicators marketers should recognize when researching influencers on Twitter. The NY Times recently reported...
