Closed Captioning: More Ingenious than You Know

YouTube Description:

Over the years I’ve found that there are plenty of people who use captions, not just those who need them. But did you know that it took until the 1970’s for anyone to think of putting captions on TV? I can sort of understand that, since captions might be annoying if you don’t want them, but closed captioning would save the day and provide access to all, but only when needed.