Model Play-book
A model is a central component within any application. This model decides what your view is on the outside world. As such, it effectively makes or breaks your application (your business rules can change, but if your view on the outside world fundamentally changes, you're effectively caught with your pants down, and that's embarrassing! To be honest though, this is rarely where applications fail, because such models are often conceived with enough knowledge to do this properly. ...
