See What's Wrong With Unix?  which I posted in April 2014. He mentions Domain Specific Languages, pipes, programs that write programs, AI that doesn't do a very good job of writing programs (because AI is not a program) ... and that's only in the first half! 37:50  What's changed since then? Could you do it again?  43:26  Question about Plan 9 . "Oh, the Unix filesystem was great, so make everything a filesystem!" 47:32  A very amusing observation that Unix made programmers portable!  51:35  "Do you have any hot takes on the state of software as it is used today?"  Subscribe to Vintage Computer Federation . On using pipes and Domain Specific Languages: what if you could actually plug languages together like you can plug programs into pipelines? See See Robin Milner's Polyadic pi-calculus Tutorial  (1991) and Alan Kay's talk given to some people at Qualcomm in San Diego, on October 30, 2013, posted on YouTube in July 2014: Also try and find so...