(NEWSER) - From Rupert Murdoch to Twitter founder Evan Williams, moguls old and young descend on Sun Valley, Idaho, this week for an annual summit on media and technology. This year, reports the Financial Times, the dominant question concerns paid content—a debate that has spread from the troubled newspaper industry to all sectors of media. With advertising dropping by a worse-than-expected 8.5% this year, the power brokers have little choice but to find new models. More»