MAP20071502411 Thomke, Stefan Customers as innovators : a new way to create value / by Stefan Thomke and Eric von Hippel A costly problem - and a radical solution. -- An industry transformed. -- The benefits and challenges. -- A pattern of migration. -- Questions of value En: Harvard business review. - Boston. - April 2002 ; p. 74-81 1. Servicio al cliente . 2. Marketing estratégico . 3. Innovación empresarial . I. Von Hippel, Eric . II. Title. III. Título: Harvard business review.