Humans are creatures of habit, and if those habits happen to include buying your product, then you're in clover. If, however, you are not part of a habitual behaviour, you can be frozen out of a market. Therefore the flexibility of consumer behaviour can be an important factor in the attractiveness of a market for a new entrant. Every time we survey wine drinkers around the world, we ask a question about attitudes to purchase. Consumers decide which one of three statements best describes them: