I understand there is a problem with the security and it seems funny that all the minibars sach as the http://www.frost-minibar.it have the same key. But look at the problem form the producer point of view. If we at http://www.frost-minibar.it were to make an individual key for every minibar, and you know how clients in a hotel are always losing the keys, can you imagine the difficulty, for the hotel managment and for the producer to keep track of all the keys, al the codes etc.