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.

Have you got a Beemer, an Audi, a Saab or a Volvo that replaced a Ford, Vauxhall, Rover or Nissan? Many Brits have. Your first Beemer. A particularly nice smell of leather. Something rather plain but satisfactory about the interior. And that lovely enamel wotsit in the middle of the steering wheel. A moment of quiet 'because I'm worth it' pride.

The newsprint thesp celebrity interview as a middle-brow art form suffers from desperate overproduction. There'll be at least 10 in the broadsheets today and every Sunday hereafter.

In the 1940s, cigarettes would be shown in classy situations, endorsed by celebrities - real A-list Hollywood stars in America - the ads would make claims about tobacco quality or manufacturing science and, bizarrely, some brands had what almost amounted to health claims.

Girls like Diana Spencer, armed with nothing more than a guinea-pig-rearing certificate, proud to say in that old Sloane way that she was 'as thick as two short planks,' became the exception as girls from Benenden and Downe House started to fast-track towards the City and law, consultancy, media and the arts.

In Britain, eponymous lifestyle branding as we know it started in the late 1960s, with two fascinating families - the Conrans and the Ashleys - who in increasingly brilliant settings and catalogues sold rather different visions of what the new ideal upper-middle-y life looked like.

Selling scent is a key job for celebrities. At any one time, there'll be hundreds of them at it, going on the world's talk shows, doing photo-shoots, providing employment for thousands. Celebrities are instant brands.