Marketing is dead. Strategy is dead. Management is dead. So says Kevin Roberts, the man who ran the UK’s most famous advertising firm Saatchi & Saatchi for 17 years, until his recent move upstairs to become executive chairman. If that seems like a rather pessimistic message for somebody in his relentlessly upbeat trade, then think again. Roberts is just about the most positive man in adland. Business is now all about creating a “movement” of people with shared values, he enthuses.