Update README.md

Author: Eric Elliott

README.md

@@ -20,6 +20,7 @@ Some of these links are affiliate links, meaning that if you make a purchase, I
 * [How to Use ES6 for Isomorphic JavaScript Apps](https://medium.com/javascript-scene/how-to-use-es6-for-isomorphic-javascript-apps-2a9c3abe5ea2) A Babel config walkthrough
 * [Unapply attack](http://glebbahmutov.com/blog/unapply-attack/) Make your JS apps more secure by freezing builtins.
 * [JavaScript Application Architecture on the Road to 2015](https://medium.com/@addyosmani/javascript-application-architecture-on-the-road-to-2015-d8125811101b) Addy Osmani
+* [Modularity](http://jlongster.com/Modularity) A pragmatic take on the tiny modules vs batteries included approach
 * [The Dao of Immutability](https://medium.com/javascript-scene/the-dao-of-immutability-9f91a70c88cd) The Way of the Functional Programmer
 * [Reactive MVC and the Virtual DOM](http://futurice.com/blog/reactive-mvc-and-the-virtual-dom) Great read, even if you're not a React user.
 * [Introduction to Reactive Programming](https://gist.github.com/staltz/868e7e9bc2a7b8c1f754)