But most things we see are 2D outputs (webpages, world if you close one eye, text console,..).
I think the closer we are to the bret Victor's ideal (of seeing what you do directly) is this: https://www.youtube.com/watch?v=xsSnOQynTHs (react-hot-loader + redux). And this is already practical.
Another nice tool who's the near his ideal is the chrome dev console: visual interaction, live edit, start/stop debugging,..
I think the closer we are to the bret Victor's ideal (of seeing what you do directly) is this: https://www.youtube.com/watch?v=xsSnOQynTHs (react-hot-loader + redux). And this is already practical.
Another nice tool who's the near his ideal is the chrome dev console: visual interaction, live edit, start/stop debugging,..
The future is bright.