Production: "Do you have [device]?"
Me: "Yes. I'm implementing the software that controls [device]."
Production: "Ok, that's the only [device] in the building, and I need to ship it to meet a deliverable."
Me: "... Does he want it to do anything?"
Production: "We'll build you another one."
Me: "When?"
Production: "... Eventually."

Software Development: The art of spinning straw into gold when you don't have any straw.