[Editor's note: We're excited to share this next guest post from David Alston of Radian6. A fast emerging leader in the field of social media measurement Radian6 is a service TopRank uses to provides social media monitoring to clients. Radian6 serves hundreds of leading PR firms, ad agencies and brand marketers.]
David is VP Marketing at Radian6 in New Brunswick, Canada with previous experience at several tech startups in the interactive advertising and the video over IP space. Most recently, he was partner and VP of Marketing at PR firm, Revolution Strategy. His blog is TweetPR.