By the 1980s, practically no one under 60 in the real civilian world wore hats for anything except weddings, funerals or Ascot. Hats had been in competition with hair, and hair had won. Thirty years before that, Brits of all classes and ages wore hats all the time.

All brands, whether high-ticket luxury ones such as Cartier or Rolls-Royce or 'masstige' ones with luxe-y overtones but altogether more affordable, all want to grow. Even brands that may have started in a modestly niche design and lifestyle fashion can find themselves under pressure to go global or to sell out at the top.

It's just as well that I write in the same facile way wherever I am - no blocks or anguish, no contemplation, no elaborate revision, no need for love-tokens or nice views.

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.

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.

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.

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.