<!doctype html public «-//w3c//dtd html 4.0 transitional//en»> http-equiv=content-type> Starting from an analysis of how the market has developed, the authors use case examples to present the step-by-step course of product development. The presentation begins with a discussion of target group analysis and a consideration of suitable carrier media and product forms, and continues through marketing, a description of existing technologies, and a discussion of possible business models.
