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.

The library was one more essential in the parade of rooms in a big 18th-century house - and part of the required kit ever afterwards. The important thing was to have the books, not actually read them.

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.

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.

There was a time when formal clothes were one of life's great pleasures, as well as a way of describing instantly a man's status wealth. Toffs wore the most, the proles the least. Fast forward to 2008 and clothes are still an unrivalled pleasure but some men - and this includes many of our betters - have confused status with fake informality.

When I hear about something allegedly happening in the world I always ask: who is doing it? Trends break out because they're based on real demographics, like there being fewer nuclear families or more people living alone. If 10 people in Shoreditch are doing it, it's a 10-minute fad.

Men turn to formal wear when they want a new job or when they think their current one is in danger. They try to present themselves as powerful and successful.