8 jobs from 50 years ago that are obsolete

Several jobs that employed thousands of people in the 1970s have dwindled in popularity or completely vanished.Technology is behind some of the changes. Typing was a specialized skill in the 1970s, but now everybody has their own keyboards. Here are eight jobs that have virtually disappeared over the past 50 years.Visit Business Insider's homepage for more stories.The tectonic shifts in the US economy since the advent of computers and the rise of the internet have transformed American jobs. Some older workers, whose skills were prized when they started their careers, have been left behind by shifts in demand. If you got your first job in the 1960s or 1970s, you might have been part of the typing pool, sold encyclopedias door-to-door, or set type for a printer. You will find few if any openings in these professions today.Here are eight jobs that have disappeared over the past 50 years.