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.

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.

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.

I can remember when anything further downtown New York than Canal Street was risky and the whole area still looked like a 70s cop movie location; when the original loft-owners were more dash-than-cash, artistic types.

Haagen-Dazs (a clever Scandi-sounding name invented by Americans in 1961) was bought for its Euro-sounding sophistication by the kind of Americans who first bought those Mercs and Beemers, while Ben & Jerry's (now owned by Unilever) brought a post-hippy sensibility to bear. Buyers saw the brand as saying 'all-natural, organic and Fairtrade.

This may sound insulting to some of my cult studies friends, but there's a lot of cult studies people who ignore, shall we say, the wider canvas - because they simply don't know about its existence or they don't know how it operates.

Prince William looks good in uniform and Man-at-Hackett black and white tie (he has grown up wearing it constantly); less certain in his suits, which sometimes look borderline archaic; and variable in casual. But completely comfortable in the Sloane uniform of non-designer jeans and chocolate-brown suede loafers. He'll look fine in Boden.