If you have doubts that Youtube is social media or not, then you shouldn’t. Here are some factors that let you know that -Youtube is a social media platform. -There is an opportunity to engage on YouTube. -It is a platform for influencers. -Personal accounts like you have on Instagram, Facebook, or Twitter. -You can see viewers' interaction, feedback, and engagement. To know more, you can visit the link. https://getassist.net/is-youtube-social-media/