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Set Your Country Content Preference (What is this?)

Choose which country's videos, channels, and activity filters (for example, "Most Viewed"), you would like to view.
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Set Your Language Preference (What is this?)

Choose the language in which you want to view YouTube. This will only change the interface, not any text entered by other users.
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TestTube

Welcome to TestTube, our ideas incubator. This is where YouTube engineers and developers test out recipes and concoctions that aren't quite fully baked and invite you to tell us how they're coming along.

Your comments will help us improve and perfect the mixtures we're working on. So jump in, play around, and send your feedback directly to the brains behind the scenes.

Video Annotations

Video Annotations

Add interactive commentary to your videos! Link to other videos, add notes, and more.

Try it out  |  Feedback?

Active Sharing

Active Sharing

Use Active Sharing to show other YouTube users what videos you're watching

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Warp

Warp

Visually browse YouTube videos in the Fullscreen player.

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Streams

Streams

Join Streams to chat with others who are watching the same video you are.

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