This is a well-made point, and one that doesn't get emphasized nearly enough, especially now that Kathy Sierra isn't publishing.<p>Tech support (and other customer support) is, in a huge part, your customers educating you about how your service is working and how your product is used. And if you have to go out and ask them, you don't get nearly as honest and clear information as when they can contact you at the point where they get frustrated, as difficult as that can be to deal with.