All Things D has kicked off its yearly D conference, and as usual, an interview with Apple's CEO started proceedings. But Tim Cook isn't the only speaker of note to be appearing at D11 — Twitter CEO Dick Costolo, Tesla Motors and SpaceX founder Elon Musk, Sony CEO and president Kazuo Hirai, Facebook COO Sheryl Sandberg, Microsoft's ex-Windows chief Steven Sinofsky, and IAC chairman turned Aereo backer Barry Diller are among the names due to take the stage this year. Follow this StoryStream to keep up with all the news and revelations.