YouTube is a video-sharing website headquartered in San Bruno, California, United States. The service was created by three former PayPal employees in February 2005. In November 2006, it was bought by Google for US$1.65 billion. YouTube now operates as one of Google's subsidiaries. The site allows users to upload, view, and share videos, and it makes use of WebM,H.264/MPEG-4 AVC, and Adobe Flash Video technology to display a wide variety of user-generated and corporate media video. Available content includes video clips, TV clips, music videos, and other content such as video blogging, short original videos, and educational videos.
Most of the content on YouTube has been uploaded by individuals, but media corporations including CBS, the BBC, Vevo, Hulu, and other organizations offer some of their material via YouTube, as part of the YouTube partnership program. Unregistered users can watch videos, and registered users can upload videos to their channels. Videos considered to contain potentially offensive content are available only to registered users affirming themselves to be at least 18 years old.
| Type | Subsidiary |
|---|---|
| Founded | February 14, 2005 |
| Headquarters | 901 Cherry Avenue, San Bruno, California, United States |
| Coordinates | 37.628101°N 122.426424°WCoordinates: 37.628101°N 122.426424°W |
| Area served | Worldwide (except blocked countries) |
| Founder(s) |
|
| Key people | Susan Wojcicki (CEO) Chad Hurley (Adviser) |
| Industry | Internet Video hosting service |
| Parent | Independent (2005–2006) Google (2006–present) |
| Slogan(s) | Broadcast Yourself (2005–2012) |
| Website | YouTube (see list of localized domain names) |
| Written in | Python[1] and proprietaryJavaScript |
| Alexa rank |  3 (January 2015)[2] |
| Advertising | Google AdSense |
| Registration | Optional (only required for certain tasks such as uploading videos, viewing flagged videos, viewing flagged comments, liking videos, adding videos to playlists and commenting on videos) |
| Available in | 76 language versions available through user interface[3] |
| Current status | Active |
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