So good. It never ceases to amaze me what could be done in such constrained systems (I guess it'll always look like that in retrospect). For anyone who has nev

So good. It never ceases to amaze me what could be done in such constrained systems (I guess it'll always look like that in retrospect). For anyone who has never seen it, Sketchpad, from the 60s: https://youtu.be/USyoT_Ha_bA?t=3m47s https://youtu.be/USyoT_Ha_bA?t=3m47s Edit: With commentary from Alan Kay! https://www.youtube.com/watch?v=495nCzxM9PI https://www.youtube.com/watch?v=495nCzxM9PI