It seems things have come full circle again. Remember the olden days when stateroom doors had locks that you opened with a key? You would board the ship and find your stateroom unlocked with the key on the nightstand.
Carnival has been testing a similar system they are moving toward returning to, and the line just said they are expanding the test to a total of eight ships.
The complete story appeared in the July 21 edition of Cruise News Daily.