A star-studded cast at D6 confab

The sixth annual "D: All Things Digital" media and technology conference, hosted by The Wall Street Journal's Walt Mossberg and Kara Swisher, takes place May 27 to 29 in Carlsbad, Calif., and promises an A-list of industry players. Among those scheduled to speak are Microsoft's Bill Gates and Steve Ballmer, Facebook's Mark Zuckerberg, Sony's Howard Stringer, Time Warner's Jeff Bewkes, IAC's Barry Diller, and Amazon's Jeff Bezos.