[joseluis]

The key difference is that this is a multidisciplinary conversational interface, and a tool in itself for interrelating structured meaning and reshaping it coherently enough so that it can be of great value both in the specific domain of the dialog, and in the potential to take it on any tangent in any way that can be expressed.

Of course it has limitations and you can't be sleep at the wheel, but that's true of any tool or task.