1.4 Consolidation and controversy (2019–present).

Criticism of YouTube includes the website being used to facilitate the spread of misinformation, copyright issues, routine violations of its users' privacy, enabling censorship, and endangering child safety and wellbeing. Despite all its growth and success, YouTube has been widely criticized. YouTube has had an unprecedented social impact, influencing popular culture, internet trends, and creating multimillionaire celebrities. Established media corporations such as Disney, Paramount Global, and WarnerMedia have also created and expanded their corporate YouTube channels to advertise to a larger audience. This includes collaborations between YouTubers and corporate sponsors. Most content is generated by individuals.

Video categories on YouTube include music videos, video clips, news, short films, feature films, documentaries, audio recordings, movie trailers, teasers, live streams, vlogs, and more. Since its purchase by Google, YouTube has expanded beyond the core website into mobile apps, network television, and the ability to link with other platforms. YouTube's reported revenue for 2020 was $19.8 billion. YouTube and approved creators participate in Google's AdSense program, which seeks to generate more revenue for both parties.

It also offers a paid subscription option for watching content without ads, YouTube Premium. Google's ownership of YouTube has also changed its business model it no longer generates revenue from advertisements alone, YouTube now offers paid content such as movies and exclusive content produced by YouTube. In October 2006, YouTube was bought by Google for $1.65 billion. As of May 2019, videos were being uploaded at a rate of more than 500 hours of content per minute. YouTube has more than one billion monthly users who collectively watch more than one billion hours of videos each day. It is the second most visited website, right after Google itself. It was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim. YouTube is an American online video sharing and social media platform owned by Google.

Python (core/API), C (through CPython), C++, Java (through Guice platform), Go, JavaScript (UI) Uploader holds copyright (standard license) Creative Commons can be selected.

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