Of when I worked at MegaBig Engineering company. At the dawn of the internet, we fielded a B2B application that let employees order office supplies from our main supplies vendor online. The officially documented way of testing it when there were reported problems included ordering a cheap paperback dictionary, and waiting two days to see if it got delivered. The guy in the next office over supported the system, and his office had a helluva lot of dictionaries in it after a couple of years...