In co-design there is an understanding that all human artifacts are designed and with a purpose. In co-design one tries to include those perspectives that are related to the design in the process. It is generally recognized that the quality of design increases if the stakeholders interests are considered in the design process. Co-design is a development of systems thinking, which according to C. West Churchman "begins when first you view the world through the eyes of another."
People who have contributed in the field are:
Co-design is applied in many fields, for instance architecture, information systems and business. It has recently become popular in mobile phone development, where the two perspectives of hardware and software design are brought into a co-design process C.f. .
Co-design is different from for example participatory design in that it does not assume that any stakeholder a priori is more important than any other. It also differs from various user-centered design approaches in that it acknowledges that the client or beneficiary of the design may not be using the artifact itself.