Yes, YouTube has competitors both in the US and worldwide. Some of the notable ones include:

1. Vimeo: Vimeo is a video-sharing website that allows users to upload and share videos with others. It is known for its high-quality content and the ability to control the privacy of videos.

2. Dailymotion: Dailymotion is a French video-sharing platform that allows users to upload, share, and view videos. It is popular in Europe and has a global audience.

3. Twitch: Twitch is a live streaming platform that primarily focuses on video game streaming. It has grown in popularity and expanded to include other live streaming categories.

4. Facebook: Facebook is a social networking platform that has become increasingly focused on video content. Users can upload and share videos, and Facebook Watch is a dedicated video platform for original content.

5. Instagram: Instagram is a photo and video-sharing platform that has grown in popularity, particularly for short-form video content.

YouTube became popular for several reasons. First, it was one of the first websites to allow users to upload and share videos easily. Second, it was owned by Google, which allowed it to benefit from Google's powerful search engine. Third, YouTube had a vast and diverse selection of content that attracted users from all over the world. Additionally, YouTube's ability to monetize content through advertising has made it an attractive platform for content creators looking to earn income from their videos.
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