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Skype

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Skype is a communication platform developed in 2003 by Niklas Zennström, Janus Friis, and a team of Estonian developers. It’s name, originating from ‘Sky peer-to-peer,’ highlights its function to connect users globally. Skype allows individuals to communicate via messagerie instantanée[1], voice chat and video calling, and additionally supports file transfers and conference calls. It also offers a debit-based service for calls to landlines and mobiles. Since its acquisition by Microsoft[2] in 2011, Skype has been integrated with other Microsoft products, providing enhanced features like high-definition video quality and Skype chat integration into Office software. Skype has continued to innovate, introducing features like background blurring in video chats using AI algorithms. Despite its vast capabilities, it does not support emergency calls in all countries.

Définitions des termes
1. ↑ messagerie instantanée. Instant Messaging (IM) is a digital communication method that enables real-time transmission of text-based messages over internet or computer networks. Unlike email, IM facilitates immediate, interactive conversation, often enhanced with emojis, file transfers, voice-over IP, and video chat. IM systems can function independently or as part of a larger social media platform. They have evolved significantly since early systems like Talkomatic and CompuServe CB Simulator, developing into graphical user interfaces with a wide range of features. Today's popular services, including Signal, Telegram, WhatsApp, and Snapchat, offer private and group messaging, advanced security measures such as end-to-end encryption, and integration with social networks. They play a vital role in both personal communication and business environments, facilitating effective real-time communication with conversation records for future reference.
2. ↑ Microsoft ( Microsoft ) Microsoft is a globally recognized technology company, well-known for its software, hardware, and other digital services. Founded in 1975 by Bill Gates and Paul Allen, it launched revolutionary products like the Windows operating system, Microsoft 365 suite, and the Xbox gaming consoles. Under the leadership of their current CEO, Satya Nadella, Microsoft broadened its scope to include cloud computing and pursued a policy of active acquisitions, including GitHub and Mojang, to enhance its product offerings. Despite facing criticisms and legal challenges over monopoly behavior and usability issues, Microsoft has maintained a solid financial performance, even achieving a trillion-dollar market cap in 2019. Today, it continues to innovate and expand, holding a significant position in the global tech industry.
Articles connexes :
Skype (Wikipedia)
This article is about the software. For the subsidiary company that develops it, see Skype Technologies. For the enterprise application formerly known as Microsoft Lync, see Skype for Business.

Skype (/skaɪp/) is a proprietary telecommunications application operated by Skype Technologies, a division of Microsoft, best known for VoIP-Basé sur téléphonie vidéo, videoconferencing and voice calls. It also has messagerie instantanée, file transfer, debit-based calls to landline and mobile telephones (over traditional telephone networks), and other features. It is available on various desktop, mobile, and video game console platforms.

Skype
Original author(s)Priit Kasesalu et Jaan Tallinn
Developer(s)Skype Technologies (Microsoft)
Initial release29 August 2003; 20 years ago (2003-08-29)
Stable release(s) [±]
Windows, UWP15.106.212.0 / 19 October 2023; 5 months ago (2023-10-19)
Windows, desktop8.106.0.212 / 19 October 2023; 5 months ago (2023-10-19)
macOS8.106.0.212 / 19 October 2023; 5 months ago (2023-10-19)
Linux8.106.0.212 / 19 October 2023; 5 months ago (2023-10-19)
Android8.106.0.213 / 18 October 2023; 5 months ago (2023-10-18)
iOS8.106.1 / 25 October 2023; 5 months ago (2023-10-25) (iPhone et iPad)
Système d'exploitationWindows, Windows Phone, macOS, Linux, Android, iOS, iPadOS, WatchOS, Wear OS, HoloLens, Xbox One, Xbox Series X/S
Available in108 languages
TypeVideoconferencing, VoIP et Messagerie instantanée
LicenseProprietary software
Site webskype.com

Skype was created by Niklas Zennström, Janus Friis, and four Estonian developers, and first released in August 2003. In September 2005, eBay acquired it for $2.6 billion. In September 2009, Silver Lake, Andreessen Horowitzet le Canada Pension Plan Investment Board bought 65% of Skype for $1.9 billion from eBay, valuing the business at $2.92 billion. In May 2011, Microsoft bought Skype for $8.5 billion and used it to replace their Windows Live Messenger. As of 2011, most of the development team and 44% of all the division's employees were in Tallinn et Tartu, Estonia.

Skype originally featured a hybrid peer-to-peer et client–server system. It became entirely powered by Microsoft-operated supernodes in May 2012; in 2017, it changed from a peer-to-peer service to a centralized Azure-based service. As of February 2023, it was used by 36 million people each day.

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