We have got about ten minutes for questions, so i'm hoping that you'll keep your answers short. So the first one is, in golden house, you write stacks of ingots, sacks of doubloons, racks of louisd'or and buckets of ducats. I wondered how important it is to you how your writing sounds when it's read out loud. The next one is from frank in london. Do you imagine in 50 years, a ten-year-old might be able to say her first iphone was a touchstone in as meaningful a way as something fundamental changed? Do you think? Mean, itikome fundamental. Things change all the time