I have watched this talk from Bret Victor at least once a year to help me think about what to work on: Inventing on Principle https://vimeo.com/36579366 https:

I have watched this talk from Bret Victor at least once a year to help me think about what to work on: Inventing on Principle https://vimeo.com/36579366 https://vimeo.com/36579366