Question: In Angular 2, it says there are two types of components 

1) Container Components
2) Presentational Components

I would like to know more about container components.

Answer: 
Presentation Components:

They are just dumb components which don't use application logic and are used only for delegation of work like date picker widget..etc

Container Components:
They are actual application logic containing components which passes data to other components and child components, which manipulates data, decides how the application behaves 

You can refer to other information [here](http://devcenter.wintellect.com/dbaskin/container-presentation-components-angular2)
> 
> Containers: contains stateful, and often routable, components that pass down data and behaviour-encapsulating callbacks to presentational components (and sometimes other containers).
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[Source: Rangle.io Angular 2 Guidelines](https://github.com/rangle/angular2-guidelines)