Earlier today I needed an answer to a simple question: if you posted a YouTube link to an unlisted video on Twitter, would it embed the video properly in the feed and work exactly like a public video? Surprisingly, I couldn’t find the answer despite several searches. So I performed a quick experiment, first uploading a video of my son to my personal YouTube account and marking it as unlisted:
Then I took the YouTube link and posted it to Twitter. The video embedded in the timeline just as you’d expect:
So there you go: post your unlisted videos on Twitter and they’ll work just like you want them to.