YouTube is a video-sharing platform where users can upload, view, and share videos. It allows users to discover, watch, and interact with a wide variety of content.

1. Video sharing: YouTube allows users to upload and share videos with others around the world.

2. Video playback: YouTube provides high-quality video playback with customizable settings for resolution, playback speed, and closed captions.

3. Search: YouTube has a powerful search feature that allows users to find videos based on keywords, titles, tags, and more.

4. Subscription: Users can subscribe to channels to get notified when new content is uploaded and to build their personal feed.

5. Live streaming: YouTube allows users to live stream events and broadcasts to a global audience.

6. Comments: Users can leave comments on videos and interact with other viewers, creators, and channel owners.

7. Analytics: YouTube provides detailed analytics for creators to track their video performance, audience demographics, and engagement.

8. Monetization: Creators can earn money through various monetization methods such as ads, sponsorships, and merchandise.

9. Community features: YouTube provides community features such as polls, memberships, and stories to help creators engage with their audience.

10. Mobile app: YouTube has a mobile app that allows users to watch videos on the go, manage their subscriptions, and upload content directly from their devices.