Abridged transcription of his talk about the different affordances of various media, especially books and screens. For the former, written text is foregrounded, whereas images are foregrounded for the latter.
R. Schaefer, S. Bleul, and W. Mueller. Engineering Human Computer Interaction and Interactive Systems, volume 3425 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (2005)
J. Chang, and M. Bourguet. Proceedings of the 22Nd British HCI Group Annual Conference on People and Computers: Culture, Creativity, Interaction - Volume 2, page 123--126. Swinton, UK, UK, British Computer Society, (2008)
L. Nigay, and J. Coutaz. Proceedings of the INTERACT '93 and CHI '93 Conference on Human Factors in Computing Systems, page 172--178. New York, NY, USA, ACM, (1993)
A. Neto, R. Fortes, A. Assis, and J. Anacleto. Proceedings of the 27th ACM international conference on Design of communication, page 81--88. New York, NY, USA, ACM, (2009)
A. Neto, and R. de Mattos Fortes. Proceedings of the 28th ACM International Conference on Design of Communication, page 151--158. New York, NY, USA, ACM, (2010)
A. Neto, R. Fortes, and A. da Silva Filho. Proceedings of the 26th annual ACM international conference on Design of communication, page 277--278. New York, NY, USA, ACM, (2008)