Imagine a State occasion where the Queen is wearing trainers with her tiara because she thinks it will make people like her better, more folksy. It's unthinkable. But that's patently the thought process Gordon Brown (or his spin doctor) went through before the Prime Minister appeared on the world stage in Beijing without his suit and tie.

Brands are useful ways of short-handing practically anything - look at the way Tom Wolfe first used brand name lists to sharpen up a character and a situation. Look at the most brand-referenced novel, Bret Easton Ellis's 'Glamorama.

Marmite - like that other little black-jar job, Bovril - is so much a Mark 1 staple-of-Empire brand, so much part of the Edwardian world of enamel advertising signs, the history of grin-and-bear-it industrial food.

There are pop managers, and then there's Simon Cowell, who isn't gay, Jewish or particularly riveting. He's not without interest but he doesn't exactly have the hinterland of, say, Brian Epstein.

Nobody knows anything. I deal with people in all walks of life, some of whom should have some idea of what they're doing. And they're all clueless. It's astonishing that any bridges stay up, or that planes don't constantly plummet from the sky. It's heartening, in a strange way.

Rock and roll is the hamburger that ate the world.

Socially smart people have always mocked the threateningly mobile, and anti-branding is a central strand of high-end status conflict now.