YouTube

YouTube, LLC

Screenshot of YouTube's homepage
Type	Subsidiary
Founded	February 14, 2005
Headquarters	901 Cherry Avenue, San Bruno, California, United States
Coordinates	37.628101°N 122.426424°: 37.628101°N 122.426424°W
Area served	Worldwide (except blocked countries)
Founder(s)	Steve Chen Chad Hurley Jawed Karim
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.com (see list of localized domain names)
Written in	Java,[1] Python[2] and proprietaryJavaScript
Alexa rank	2 (September 2016)[3]
Type of site	Video hosting service
Advertising	Google AdSense
Registration	Optional (not required to watch most videos; required for certain tasks such as uploading videos, viewing flagged (18+) videos, creating playlists, and posting comments)
Launched	February 14, 2005; 11 years ago
Current status	Active
Content license	Uploader holds copyright (standard license); Creative Commons can be selected.
Written in	Java,[1] Python[2] and proprietaryJavaScript
Current status	Active

YouTube is an American 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.^[4] YouTube now operates as one of Google's subsidiaries.^[5] The site allows users to upload, view, rate, share, and comment on 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 andcorporate media videos. Available content includes video clips, TV show clips, music videos, audio recordings, movie trailers, 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.^[6] Unregistered users can watch videos, and registered users are permitted to upload an unlimited number of videos and add comments to videos. Videos deemed potentially offensive are available only to registered users affirming themselves to be at least 18 years old. As of July 2016, the website was ranked as the second most popular site by Alexa Internet, a web traffic analysis company.^[3]

YouTube earns advertising revenue from Google AdSense, a program which targets ads according to site content and audience. The vast majority of its videos are free to view, but there are exceptions, including subscription-based premium channels, film rentals, as well as YouTube Red, a subscription service offering ad-free access to the website and access to exclusive content made in partnership with existing users.