Knowledge Navigator and Drafting Dan Revisited. CAD software first appeared in print in Robert Heinlein’s 1956 The Door into Summer. The aptly named “Drafting Dan” had much of the characteristics of the best 2D systems on the market today. Apple’s 1987 concept piece, the “Knowledge Navigator,” projected the nature of interaction with a 2010-era computer – that‘s only three years away. How close are we to those visions from 20 and 50 years ago? What are the visions for 20 and 50 years from now?

Continue (or start) the roundtable discussion here ...