In Chapter 8 we introduced the Model-View-ViewModel application design, which includes the concept of data binding, a technique used to bind public properties from your ViewModel to various properties of a user interface control that resides in the View or page. In many cases the properties exposed by the ViewModel do not match the properties that are to be shown on the user interface control. This is when you would want to consider using a converter.
A converter is a special type of data binding
