It’s an interesting mix: Steve Jobs’ widow; Jimmy Fallon; Thomas Friedman of NYT; Anderson Cooper of CNN; Duke Basketball; a college newspaper (Auburn); Kings of Leon; Kerry Kennedy, who heads the RFK Center for Justice & Human Rights (which he also follows); and two of his direct reports.
He has 52,338 followers (that’s a 4,758-1 ratio).
As of just now, he had tweeted exactly once.