Times change. And, as they do, jobs and industries shift as well. Hence, the regular internet posts enumerating the endangered jobs of these here modern times. It's true that our three-times-great-grandchildren might need some help understanding what mail carriers and newspaper reporters actually did, but they wouldn't be the first ones to lose touch with jobs from the past. Just for fun, and for the sake of honoring history, let's take a look back at four strange jobs from the olden days that are potentially unknown to you. They might even change your perspective on the current job landscape.