Without Data there actually is no need to do at least something.
Let’s see.
When you’re not in control, you ain’t programming nothin’.
This is just s stub of idea I had yesterday, kinda of a mnemonic rhyme. If you’ve got an old or new app and you think about implementing a MVC pattern somehow, where to start / set priorities? Note: As long as you take something already implemented, you do not even need to think about. This is more about writing own code and refactoring.