About a year ago, YouTube added its feature, which lets users include captions in their videos. The company is now including this feature in the YouTube API, so developers can utilize the functionality.
YouTube Now Allowing For Captions
Here are a few quick observations: not everyone speaks the same language. Not everyone has perfect hearing. And some people like to goof off at work without alerting the rest of the office. To address all these issues, YouTube has introduced a new captioning feature.