Why Doesn't Software Show Up in Productivity? - Austin Vernon's Blog
https://austinvernon.eth.link/blog/softwareisprocess.html
https://web.archive.org/web/20210817013129/https://austinvernon.eth.link/blog/softwareisprocess.html
https://web.archive.org/web/20210817013129/https://austinvernon.eth.link/blog/softwareisprocess.html