Those who have successfully managed product information for mass customization carefully avoid disclosing how these esoteric systems work in practice. This is the first book to provide a holistic recognition of the essential aspects of an IT-supported product configuration system. In doing so, it reveals the basic building blocks of these systems, how they support mass customization, how these systems are selected and implemented, what alternative options there are, and lastly, what the operational and strategic implications of these systems are.