Plumbing

We see more and more forms of digital signage. The other day I was in an elevator and there was a huge electronic display next to the buttons for the floors telling me that there was a company right in the same neighborhood that could do plumbing much better than any other company on earth. I wasn't really waiting for that information, but the funny thing is that I am writing it down here now, so I remembered it. It seems that the thing worked, at least for me. And I only went one floor, who knows what I had learned more...