For the summer, between semesters at the fine school I attend in Philadelphia, I'm currently employed by a certain unnamed pharmacy chain. Customers are welcome to bring back items from the front of the store and pay for them in the back when they pick up and pay for them at the pharmacy. This item caught my eye:
It was then I realized that no, I had not scanned in the bar code on the nice lady's hand, but actually one gallon of homogenized milk. Ho ho ho, I chuckled to myself as I realized the humorous folly I had fallen into. The wonders of the computer age never cease.