Patrick S thinks this is interesting: Controllers are responsible for managing the interaction between the user of the application and the model. They provide the event handlers that respond to the various user interactions that occur throughout the course of the application. From Responsibilities of controllers from AngularJS Services by Jim Lavin Publisher: Packt Publishing Released: August 2014 Note role of Conrollers Share this highlight http://www.safaribooksonline.com/a/angularjs-services/51499/ Twitter Facebook Google Plus Email Get Instant Access Now Start a Free Trial Have an account? Sign in. Minimise Unlock the rest of AngularJS Services and 30,000 other books and videos By clicking this box, you confirm that you have read and agree to the terms and conditions of our Membership Agreement, and you understand that when your trial period ends, you will be required to provide billing information if you wish to continue using the service. Unlock the rest of this book Start a Free 10-Day Trial loading Learn about Safari for Business Have an account? Sign in.