It may seem intuitive now, but when dial telephones first hit the scene, peeps needed a tutorial on how to use them. It was customary to have an operator do all the work up until that time, so the simple act of dialing for one's self was quite a task. The following vid was shown in movie theaters to educate the public on how to use the new self-serve telephones. It's interesting that a child was used for the demonstration. Did they already know that she was gonna grow up, become a teenager, and monopolize that phone? All. Night. Long.