>>83050361The '?si=' in
https://www.youtube.com/watch/gnLMWFZ2YZA?si=7UbwIxaFmZDhkOaj is a unique identifier that's linked to your yt account. It's the latest faggotry they've added. It means any website where you share that link yt can possibly see, so it can track your internet activity. They now might know you post on 4chan. It's mostly for targeted ads. If you remove it, the (embed) will show:
https://www.youtube.com/watch/gnLMWFZ2YZABe careful with this shit because 7UbwIxaFmZDhkOaj is unique to (You), so anons can search the archives to see what else you've shared for it will contain the same string.