In principle, there are only three main components of spending that much matter to monetary policy: consumer spending, business investment and exports and trade.
I've always been scared of advertising folk. I've met them at parties and I've been to their offices and I've always found them intimidatingly cool. At one company I visited, they held their meetings in a caravan that had somehow been installed in the place, a rather more exotic place to gather than the typical BBC glass box.
But beginners to the World Economics Forum have to understand there is no single Davos experience, and there is no single Davos community either. There are numerous tribes who interact only at a minimal level.
Being funny, it turns out, is like being a bank. It's a confidence trick. As long as everyone believes in you, you are fine.
We Brits print banknotes out in Debden in Essex, and have contracted it out to the private sector. Here in the U.S. it is a government operation right in the heart of Washington next door to the Holocaust Museum.