Interaction with an expert is extremely discoverable, and eliminates the need for many traditional interfaces anyway. Think about trying to book a holiday onlin

Interaction with an expert is extremely discoverable, and eliminates the need for many traditional interfaces anyway. Think about trying to book a holiday online and navigating all the interfaces for flights, accomodation, tours, etc. Versus going to see a travel agent, where you can loosely describe what you want and walk out with exactly what you need having interacted with zero graphical interfaces.