Don Norman and Roberto Verganti. 2014. Hill Climbing and Darwinian Evolution: A Response to John Langrish. In Design Issues 30, 3 (June 2014), 106-107. https://www.researchgate.net/publication/279015217_Hill_Climbing_and_Darwinian_Evolution_A_Response_to_John_Langrish

Don Norman and Roberto Verganti. 2014. Incremental and Radical Innovation: Design Research vs. Technology and Meaning Change. In Design Issues 3, 1 (2014), 78-96. DOI: https://doi.org/10.1162/DESI_a_00250

Don Norman and Scott Klemmer. 2014. State of Design: How Design Education Must Change. LinkedIn, March 25, 2014. Translated into Portuguese for Revista Brasileira de Design. https://www.linkedin.com/pulse/20140325102438-12181762-state-of-design-how-design-education-must-change/?trk=mp-author-card