Through the miracles of modern technology, it is now possible for you to beam yourself instantly to other peoples' houses, thus eliminating the need to go get yourself thoroughly lost, have a good time along the way, and eventually find the place you are looking for. Efficiency Uber Alles...
As you step inside the tube, you see a blank wall in front of you. Concluding that this is less than wholly interesting, you turn around, and see a panel covered with buttons, just to the right of the entrance to the now-lit tube. There is a strip of paper to the right of the buttons, on which is scrawled (in a barely-legible hand, in pencil) a list of names of various people. The whole affair is rather reminiscent of the memory buttons on an average telephone.
The following people are currently listed:
There are a bunch of other names listed, but they are all smudged (and the handwriting is really terrible). Maybe someone will come retype this silly list sometime...