[jononomo]

I'm afraid I don't have time to watch some video -- please provide a 3-sentence synopsis here.

[retromario]

https://en.wikipedia.org/wiki/Bret_Victor

[ulkesh]

Thanks for posting this. I was not inclined to respond after already providing information that he could have viewed when time afforded him. Here's hoping he has time to read a Wikipedia article instead of having people do the work for him.