People

• Richard Feynman04:28The talk uses Richard Feynman's practice of working on paper as an example of thinking through external representations.

Concepts

• The extended mind11:44The talk introduces the extended mind hypothesis as the idea that cognition can include processes outside the head.

Papers and articles

• An Overview of the EPIC Architecture for Cognition and Performance with Application to Human-Computer Interaction13:19The talk names the EPIC architecture paper while contrasting cognitive models of people with broader accounts of interaction.

Books

• HCI Remixed: Reflections on Works That Have Influenced the HCI Community25:13The talk recommends HCI Remixed as a collection of essays about works that influenced human-computer interaction.
• The Design of Everyday Things28:52The talk places Don Norman's The Design of Everyday Things among the essential books for user experience designers.