During our travels this summer in Ortigia, Sicily, we saw a 24 hours self-serve store that had various vending machines for food, drinks, and emergency needs depicted in the photograph above. As we were browsing the offerings, the machine in the photograph got my attention.
I imagined the person who needed the pad and probably was very excited to have found this vending machine. After having her hopes up and inserting the money in the machine, she must have pressed the buttons that was designated for the pad. Then she watched the package of pad being pushed out of its compartment only to get stuck between the window and the other products. She possibly gently nudged the machine to no availability.
I can only imagine the double frustration: for not having the pad and for losing the money in the machine.
It looks like the distributor listened to the customer requests for selling feminine products and added the pad to the existing machine, without checking the requirements for the product size. It resulted in terrible user experience...