Only four people at Apple knew about this secret project. Me, the director of iPod Software, the vice president of the iPod Division, and the senior vice president of Hardware. None of us still work at Apple. There was no paper trail. All communication was in person.
If you asked Apple about the custom iPod project and got past the stock “No comment,” the PR people would tell you honestly that Apple has no record of any such project.
But now you know.