Effective marketing; a marketer's guide to chaos theory; chaos theory and marketing; chaos marketing - key strategies; monitor and modify; be flexible and fast; decrease the risks; reduce volatility; ride on the crest of chaos; the application of chaos marketing; how to manage the builders, wobblers and parasites; product development; sales promotion - getting the illusive sales increase?; communication - the link with customers; branding - the communication cut short; advertising; management - battling with the unknown; final comments.