Founding and initial growth (2005–2006)
YouTube was founded by Steve Chen, Chad Hurley, and Jawed Karim. The trio were all early employees of PayPal, which left them enriched after the company was bought by eBay.

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Video technology
YouTube primarily uses the VP9 and H.264/MPEG-4 AVC video codecs, and the Dynamic Adaptive Streaming over HTTP protocol. MPEG-4 Part 2 streams contained within 3GPcontainers are also provided for low bandwidth

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In January 2012, it was estimated that visitors to YouTube spent an average of 15 minutes a day on the site, in contrast to the four or five hours a day spent by a typical US citizen

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Both private individuals and large production corporations have used YouTube to grow audiences. Indie creators have built grassroots followings numbering in the thousands at very little cost or effort, while mass retail and radio promotion proved

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Prior to 2020, Google did not provide detailed figures for YouTube's running costs, and YouTube's revenues in 2007 were noted as "

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YouTube has been censored, filtered, or banned for a variety of reasons, including:
• Limiting public access and exposure to content that may ignite social or political unrest.

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YouTube Community
In September 2016, YouTube announced the launch of its own social networking feature named YouTube

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