I was going through my copy of Stewart Brand's 1974 book, II Cybernetic Frontiers (1974) when I came across this sketch by computer scientist Alan Kay, who conceived of a tablet computer in 1972 called the Dynabook. Although it used a stylus and a keyboard, his 43-year-old sketch of two kids sitting in the grass playing video games on their Dynabooks looks like kids today playing games on their iPads.
This sketch from 43 years ago shows kids playing a video game on their "iPad"

I was going through my copy of Stewart Brand's 1974 book, II Cybernetic Frontiers (1974) when I came across this sketch by computer scientist Alan Kay, who conceived of a…