The comments below a YouTube video are sometimes more fun than the video itself, and it's easy to join the conversation with a couple of clicks. You can watch videos on YouTube without signing in ...

5. Click "Reply." How to 'tag' someone on YouTube by replying to a comment on a mobile device This process is the same for both Android and iPhone users: 1. Open the YouTube app on your iPhone or ...

YouTube’s comment section can be a place that offers engaging conversation or feedback. At the same time, it can also be a ...