If you're at all curious about the T-Mobile XpressMusic phone, take a look at these internal T-Mobile docs for it. Among them, the full feature list, answers to possible customer questions, and a guide for the sales people on how to sell this phone to you.
Imagine printing this out and taking it to a T-Mobile store and screwing with the employees there. Sure, it's kind of a dick thing to do, but it sure would be funny.
PDFs after the jump.