The document lists four resources related to human factors and usability: 1) the Human Factors & Ergonomics Society which promotes knowledge about human characteristics for system design, 2) the Usability Professionals Association which supports advocates for usability and user experience, 3) the ACM Special Interest Group in Computer-Human Interaction which brings together people working on interactive systems for human use, and 4) a website with examples of poorly designed things that do not follow human factors principles.