1장
1 https://en.wikipedia.org/wiki/The_Design_of_Everyday_Things
2 https://medium.com/dc-design/what-is-human-centered-design-6711c09e2779
3 https://en.wikipedia.org/wiki/Human-centered_design
4 https://ko.wikipedia.org/wiki/매슬로의_욕구단계이론
5 ideo.org
6 www.designcouncil.org.uk/our-resources/framework-for-innovation
7 www.nngroup.com/articles/design-thinking/
8 역주 아무 오류나 문제 없이 제품을 사용하는 이상적인 시나리오를 가리킨다.