YouTube

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YouTube[3] is a global online video-sharing platform founded by Steve Chen, Chad Hurley, and Jawed Karim. The platform allows users to upload, view, share, and comment on a wide variety of video content. Since its creation, YouTube has grown exponentially, setting significant milestones like reaching over a million daily videos watched and 48 hours of new videos uploaded per minute. Its business model revolves around generating revenue from advertisements and paid content, including a subscription-based service called YouTube Premium for ad-free viewing. The platform also offers a range of video categories, impacting popular culture, Internet[4] trends, and creating celebrities. However, it has faced criticism for issues like misinformation and droit d'auteur[2] violations. Technologically, YouTube supports various video codecs and resolutions, and it introduces features for improved user experience[1]. The platform is localized in over 100 countries, offering features for areas with slow internet connectivity.

Définitions des termes
1. user experience. User Experience (UX) is a broad term that encompasses every aspect of an end-user's interaction with a company, its services, or its products. This includes users' perceptions and responses, both emotional and cognitive, during and after the use of a system, product, or service. User Experience also involves users' beliefs, preferences, and behaviors. While usability, a component of UX, focuses on the practical aspects of a system, UX incorporates a holistic view of system use. User experience is a vital factor in increasing brand loyalty and customer base growth. Its history dates back to the Machine Age, with notable contributions from figures like Frederick Winslow Taylor, Henry Ford, and Donald Norman. Today, technology advancements continue to shape and expand the field.Developer Experience (DX) is the analog of UX for software developers. It represents the experience developers have with the tools, processes, and software they use in their work. A high-quality DX can significantly impact the overall user experience, thus contributing to the success of the product. The importance of DX is increasingly recognized in the field of software services, where ease of use can serve as a key market differentiator. This concept has been explored by various authors and researchers, and it's also emphasized in international standards like ISO 9241-210, which advocates for human-centered design.
2. droit d'auteur. Le droit d'auteur est un terme juridique qui confère au créateur d'une œuvre originale des droits exclusifs d'utilisation et de distribution, généralement pour une période de temps limitée. Ce concept a vu le jour en Angleterre, avec l'adoption du Licensing of the Press Act en 1662 et du Statute of Anne en 1710. Au fil des siècles, les lois sur le droit d'auteur ont considérablement évolué, et des traités et conventions internationaux tels que la Convention de Berne et la Convention universelle sur le droit d'auteur ont normalisé ces droits à l'échelle mondiale. Le droit d'auteur s'applique à une grande variété d'expressions créatives, notamment les œuvres littéraires, la musique, les films, les chorégraphies, les peintures, les logiciels, les émissions et les dessins. Il est important de noter que la protection du droit d'auteur exige un niveau minimal d'originalité et qu'elle expire généralement après une période déterminée.
YouTube (Wikipedia)

YouTube is an American online video sharing et médias sociaux platform owned by Google. Accessible worldwide, it was launched on February 14, 2005, by Steve Chen, Chad Hurleyet Jawed Karim, three former employees of PayPal. Headquartered in San Bruno, California, États-Unis, it is the second most visited website in the world, after Recherche Google. YouTube has more than 2.5 billion monthly users, who collectively watch more than one billion hours of videos every day. As of May 2019, videos were being uploaded to the platform at a rate of more than 500 hours of contenu per minute, and as of 2021, there were approximately 14 billion videos in total.

YouTube, LLC
The YouTube logo is made of a red round-rectangular box with a white triangular "play" button inside and the word "YouTube" written in black.
Logo used since 2017
Screenshot of the video player on September 13, 2023
Type of businessFiliale
Type de site
Plate-forme vidéo en ligne
FondéeFebruary 14, 2005; 19 years ago (2005-02-14)
Siège901 Cherry Avenue
San Bruno, California,
États-Unis
Area servedWorldwide (excluding blocked countries)
PropriétaireAlphabet Inc.
Founder(s)
Key people
L'industrie
Produits
RecettesAugmentation US$31.5 billion (2023)
ParentGoogle LLC (2006–present)
URLyoutube.com
(see list of localized domain names)
PublicitéGoogle AdSense
Inscription
Optional
  • Not required to watch most videos; required for certain tasks such as uploading videos, viewing flagged (18+) videos, creating playlists, liking or disliking videos, and posting comments
UtilisateursDiminution 2.7 billion MAU (January 2024)
LancéFebruary 14, 2005; 19 years ago (2005-02-14)
Statut actuelActif
Content license
Uploader holds copyright (standard license); Creative Commons can be selected.
Written inPython (core/API), C (through CPython), C++, Java (through Guice platform), Go, JavaScript (UI)

In October 2006, YouTube was purchased by Google for $1.65 billion (equivalent to $2.31 billion in 2023). Google expanded YouTube's business model of generating revenue from advertisements alone, to offering paid content such as movies and exclusive content produced by and for YouTube. It also offers YouTube Premium, a paid subscription option for watching content without ads. YouTube incorporated Google's AdSense program, generating more revenue for both YouTube and approved content creators. In 2022, YouTube's annual advertising revenue increased to $29.2 billion, more than $9 billion higher than in 2020.

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. Video categories on YouTube include music videos, video clips, nouvelles, short et feature films, songs, documentaries, movie et teaser trailers, live streams, vlogs, and more. Most content is generated by individuals, including collaborations between "YouTubers" and corporate sponsors. Established media, news, and entertainment corporations have also created and expanded their visibility to YouTube channels in order to reach greater audiences.

YouTube has had unprecedented social impact, influencing popular culture, internet trends, and creating multimillionaire celebrities. Despite its growth and success, the platform is sometimes criticized for allegedly facilitating the spread of misinformation, the sharing of copyrighted content, routinely violating its users' privacy, enabling censorship, endangering child safety and wellbeing, and for its inconsistent or incorrect implementation of platform guidelines.

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