Ghastly moment, isn’t it, when at a supper party (worse, at editorial conference or in a meeting with clients) some drawling know-all asks ‘so what do you think about QE?’ Everyone at the table swivels in your direction. Your mental turbines stall, your eyeballs sweat. QE? Is that a conference centre? Cruise liner? A fashionable disease? Anyone who has been through this experience may find useful the following bull-point presentation.