YouTube Shorts is a way for anyone to connect with a new audience using just a smartphone and the Shorts camera in the YouTube app. YouTube’s Shorts creation tools makes it easy to create short-form videos that are up to 60 seconds long with our multi-segment camera
As of today, "Shorts" are just plain Youtube videos, because really any Youtube video can be regarded as a "Shorts" video by appending its id to the shorts route, even if it's a 24 hour long video, for example this one: https://www.youtube.com/shorts/4dhIvyskkB0.
However, it seems that the question should better be: What could raise the chances that a Youtube video be "promoted" by Youtube as a "Shorts" video?
To which the answer is: Follow Youtube's guidelines, provided here
- Entitle your video with the
- Add the
#shortshashtag to your description.
- Make it less than 60 seconds.
Vista Social has full support for YouTube video publishing.