The importance of ergonomic design in product innovation. Lessons from the development of the portable computer

The article addresses the role of ergonomic design in product innovation. Designers meet users’ needs by developing solutions to complex trade-offs—reverse salients—between a product’s characteristics. The fundamental ergonomic design challenge in portable computers concerns the reverse salient between two ergonomic factors: screen size and weight. It is easier to view information on larger screens, but portability is negatively affected by the...