The spread of luxury is the story of the early 21st century. Take this fact: Louis Vuitton, which started life as a trunk-making business in Paris in 1854, will soon open a swanky new store in Kazakhstan. This follows the opening of a massive new store in Shanghai, right at the heart of what was once a hardline Communist state. Luxury goods are the quintessentially modern products, charting the spread of wealth and aspiration to the most unlikely places. Campden looks at five things that luxury brands have to do if they are to flourish in this strange new world.