Reading Matthew Yglesias about an unrelated topic (a brewing fight about the Export-Import Bank, if you're interested), he says as an aside:

...did you know the US Department of Agriculture runs a Dairy Checkoff Program in which it partners with major fast food companies to design innovative cheese-intensive products such as Taco Bell's double steak quesadillas and Pizza Hut's 3-cheese stuffed pizza crust?

No. I did not know that. And that's pretty crazy. Here is the link.