Outline the blog post and think of some tests to conduct with JS modules.

posts/handler-service-presentation.md

@@ -61,5 +61,22 @@ Now the connection pool is only created once and you can require this
 
 
 
+Outline:
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+* Explain what I know about JavaScript
+* How does this differ to my experience with PHP
+* Describe modules
+    * Describe how we can set up singletons thinking in modules
+    * Talk about avoiding classes
+* Talk about big express applications
+    * And how I used to make MVC applications 
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