+???
+- I think it's good to understand CGI et al. so that you can understand why it was designed the way
+ it was.
+- Hopefully the ideas behind PSGI are based off of the best that CGI et al. had to offer without any
+ of the drawbacks.
+
+
+- Notice how the program is a subroutine.
+- By being a subrouting rather than a script that is executed, we're already in a form that can be
+ called repeatedly without incurring fork-exec overhead. Nice!
+