[Zikes]

Those vendors could acquire new codes as easily as making a trip to the store. Heck, they could even incentivize customers to snap a photo of an authentic K-cup's code and tweet it to them, maybe for a coupon or imaginary internet points. As long as they had enough codes to make sure any given pallet didn't have any duplicates, they could be 99% certain a customer wouldn't get repeats, especially if they retired codes after a certain number of printings.