>As for programming languages, there have been very few actual productivity gains since the standardization of Common Lisp. Although this is mostly true, I thi

>As for programming languages, there have been very few actual productivity gains since the standardization of Common Lisp. Although this is mostly true, I think you forgot to mention that the latest trend of repositories with tens of thousands of libraries are a boost in productivity as well. Even the Common Lisp world received a big boost in productivity when the Quicklisp library/system repository was created and consolidated.