I’ve had the experience of accidental power users — when you sit down with a user and they show you functionality which you as the developer didn’t realize exis

I’ve had the experience of accidental power users — when you sit down with a user and they show you functionality which you as the developer didn’t realize existed. In this case we were using a couple of third party GUI components, and importantly we were using them precisely as we should, and they interacted with other user customization code we had written in an unexpected but totally appropriate way.