J,K. Rowling keeps winning at Twitter. How does she do it?

Every few weeks it seems, there’s a new headline that amounts to “J.K. Rowling said X on Twitter.” Rowling reluctantly joined the service in 2009 after learning that someone had been impersonating her. She didn’t follow anyone, and she warned that she wouldn’t tweet much. “I am told that people have been twittering on my behalf, […]