You’ve been there haven’t you? In the checkout queue at your local supermarket. You will already have taken care to stack the items in the trolley in accordance with the Feng Shui Principles of Optimal Utilisation. Carefully, you remove your objects from the trolley and onto the conveyor belt. You have a pattern, an order, to guide you. Large, bulky items like detergents and washing powders, tissues and household cleaners, these are first on the belt. Then food stuffs that are…