Yael Rozencwajg

“Consumers active on Twitter are clearly the most influential online,” said Morgan Stewart, principal at ExactTarget’s research and education group, in a statement. “What happens on Twitter doesn’t stay on Twitter. While the number of active Twitter users is less than Facebook or email, the concentration of highly engaged and influential content creators is unrivaled—it’s become the gathering place for content creators whose influence spills over into every other corner of the internet.”