The iPad was conceptualized as a thin touch screen no-keyboard slate since at least 1992 in Star Trek TNG [0]
[0] https://i1.wp.com/www.techdigest.tv/star-trek-tablet.jpg?res...
Re:A look at an original iPhone prototype
by joezydeco on Thursday March 21, 2019 @10:12PM
(#19459111)
The iPad was also conceptualized in 1988 as "Tablet", the winning entry in the Apple Computer "Design the Computer of the Year 2000" contest.
https://www.stephenwolfram.com/publications/academic/tablet-...
One of the members of the winning team was Stephen Wolfram.
Re:A look at an original iPhone prototype
by monocasa on Thursday March 21, 2019 @12:49PM
(#19454446)
How about 1960s, with 2001: A Space Odyssey.
https://www.bfi.org.uk/news-opinion/news-bfi/features/did-st...
https://en.wikipedia.org/wiki/Dynabook