>>>But I can see for a shrinkwrapped application where the authors might not want to reveal any of these details.
>>Why?
>
>If I were to by a product that had Fox logos and messages and file extensions, ect. it would look unproffesional, IMO. Even though it may not be and is brilliantly stable, it might look sloppy, just a thought.

Well, the only intrusive place are (1) the program icon, fixable when compiling your application, and (2) MESSAGEBOX(), which can (and often should) be replaced by another tool. Using non-default file extensions other than .FPT is not difficult at all.