AngularJs “controller as” syntax - clarification?

Question

I read about the new syntax from angularJS regarding controller as xxx

The syntax InvoiceController as invoice tells Angular

Answer 1

I find the main advantage is a more intuitive api since the methods/properties are associated with the controller instance directly and not the scope object. Basically, with the old approach, the controller becomes just a decorate for building up the scope object.

Here are some more info on this: http://www.syntaxsuccess.com/viewarticle/551798f20c5f3f3c0ffcc9ff