"Players need to understand all the inputs and all the outputs to make interesting, informed decisions. These are the mechanisms through which we express our will in the game. This is the machinery that transforms our medium from passive to interactive... This is a multifaceted (and as far as I'm aware, relatively unexplored) issue, but we can begin making inroads. Making games more readable begins with two things- empathy and data." Nels on Don Norman and readability, amongst other things.