Angular 2 has landed! Rejoice! After 18 beta releases and 8 release candidates, the final version saw the light of day in September and you can now consider it stable enough to use it. It’s a totally different framework when you try to compare it with 1.x but the principles are the same. You get the proper tools to build your web application from the UI to the data retrieval and everything in between. The plan is to have multiple quick tips appear here as I play with it. To start this process I will try to explain one of the concepts that took me a while to grasp once I started migrating one of my applications to Angular 2, the module system!