Travel enough, and you encounter a lot of elevators. This simple device can offer some interesting user experience lessons. Some are bizarre ones, like the incomprehensible control system I described in Don’t Redesign Your Elevator! The other day, in a perfectly fine Southern California hotel, I found elevators whose control panels all showed a virtually identical wear pattern. In every one of the four different elevators, the white paint was rubbed off the “L” marking the Lobby floor.