Back and forth between hypothesis
The Witness game. Stuck? Go explore something else and come back later with new ideas.
Flexibility of tabs
Current operative systems aren’t like canvases, but apps like Notion, Muse, Miro etc are going towards something like that which might inspire future operative systems. Instead of walling in users, different programs could be used (and be very effective at certain things) together.
Behavior Design to make modelling easier and more emotionally rewarding
Cooperation
Programming, test hypothesis