First, type in a search such as “3D” or “vr180”. In the search results, click on “filters,” and under features, select “VR180” or “3D”. For 3D 360 content, it is better to search for “3D 360” to distinguish them from regular 360 videos.

If your 3D video doesn't have 3D metadata, you can add it using preferred video editing software, like Sony Vegas Pro or GoPro Studio. You can also use the FFmpeg tool. Note: After uploading a video with the tags, it will only play back as 3D after it's been fully processed.

To find live streams on the YouTube mobile app, tap the "Explore" (compass) icon, then tap "Live". On a computer, click "☰" to open the menu, then click "Live" to browse active and future live streams. You can chat in live streams as long as the chat is set to public.

On February 14, 2005, Chad Hurley, Steve Chen, and Jawed Karim founded YouTube as an online video-sharing platform. YouTube's creators aimed to make it simple for individuals to publish and distribute videos globally. Before the introduction of YouTube, there were no viable online video-sharing platforms.