The document provides a history of the evolution of interaction design from its roots in human factors and human-computer interaction to modern practices. It traces how the field grew from a focus on usability evaluation to encompass design aesthetics, social interaction design, and experience design. It notes that interaction design remains an immature field that is still developing standardized practices and definitions, with collaboration between interaction designers and other fields like visual design still limited. However, the demand for interaction design continues to outpace the supply of trained professionals.