A caption file is a completely separate file from a video file. Caption files can be made in a wide variety of formats, and you can upload a caption file to accompany a video in order to create closed ...

That being said, Twitter can reject your file with a less-than-helpful message of: "There was a problem uploading your subtitle (.srt) file." So it's important, at least when you first start, to ...

As people continue to watch the videos in their social feeds without sound, it is increasingly important for publishers to find ways to capture their attention as they scroll through a mass of content ...