Mark W. Schaefer is a globally-recognized blogger, speaker, educator, business consultant, and author who blogs at {grow} – one of the top marketing blogs in the world. He teaches graduate marketing classes at Rutgers University and has written three best-selling books including The Tao of Twitter (the best-selling book on Twitter in the world) and Return On Influence,which was named one of the top business titles of the year by the American Library Association.