Below is additional material associated with the topics covered in chapter 3.

Conceptual models Jeff Johnson and Austin Henderson have written an article about conceptual models in a nutshell at: www.boxesandarrows.com/conceptual-models-in-a-nutshell

Videos of classic conceptual models The Sketchpad – Ivan Sutherland (1963) describes the first interactive graphical interface youtu.be/6orsmFndx_o The Mother of All Demos – Douglas Engelbart (1968) describes the first WIMP youtu.be/yJDv-zdhzMY Intel’s Future Technology Vision (2012) youtu.be/g_cauM3kccI HP’s vision of CoolTown (2001) youtu.be/U2AkkuIVV-I

Links provided in the book:

• The history of the Xerox Star (p78): youtu.be/Cn4vC80Pv6Q

• Apple Knowledge Navigator (p90): youtu.be/HGYFEI6uLy0

• VW’s vision of their future car (p90): youtu.be/AyihacflLto