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Skype
Skype () is a proprietary telecommunications application operated by Skype Technologies, a division of Microsoft, best known for VoIP-based videotelephony, videoconferencing and voice calls. It also has instant messaging, file transfer, debit-based calls to landline and mobile telephones (over traditional telephone networks), and other features. Skype is available on various desktop, mobile, and video game console platforms. Skype was created by Niklas Zennström, Janus Friis, and four Estonian developers and first released in August 2003. In September 2005, eBay acquired Skype for $2.6 billion. In September 2009, Silver Lake, Andreessen Horowitz, and the 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 divisi ...
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Skype Technologies
Skype Technologies S.A.R.L (also known as Skype Software S.A.R.L, Skype Communications S.A.R.L, Skype Inc., and Skype Limited) is a Luxembourgish telecommunications company headquartered in Luxembourg City, Luxembourg, whose chief business is the manufacturing and marketing of the video chat and instant messaging computer software program Skype, and various Internet telephony services associated with it. Microsoft purchased the company in 2011, and it has since then operated as their wholly owned subsidiary; as of 2016, it is operating as part of Microsoft's Office Product Group. The company is a ''Société à responsabilité limitée'', or SARL, equivalent to an American limited liability company. Skype, a voice over IP (VoIP) service, was first released in 2003 as a way to make free computer-to-computer calls, or reduced-rate calls from a computer to telephones. Support for paid services such as calling landline/mobile phones from Skype (formerly called SkypeOut), allowing ...
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VoIP
Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. The terms Internet telephony, broadband telephony, and broadband phone service specifically refer to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the Internet, rather than via the public switched telephone network (PSTN), also known as plain old telephone service (POTS). Overview The steps and principles involved in originating VoIP telephone calls are similar to traditional digital telephony and involve signaling, channel setup, digitization of the analog voice signals, and encoding. Instead of being transmitted over a circuit-switched network, the digital information is packetized and transmission occurs as IP packets over a packet-switched network. They transport media streams using special media delivery protoco ...
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Voice Over IP
Voice over Internet Protocol (VoIP), also called IP telephony, is a method and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet. The terms Internet telephony, broadband telephony, and broadband phone service specifically refer to the provisioning of communications services (voice, fax, SMS, voice-messaging) over the Internet, rather than via the public switched telephone network (PSTN), also known as plain old telephone service (POTS). Overview The steps and principles involved in originating VoIP telephone calls are similar to traditional digital telephony and involve signaling, channel setup, digitization of the analog voice signals, and encoding. Instead of being transmitted over a circuit-switched network, the digital information is packetized and transmission occurs as IP packets over a packet-switched network. They transport media streams using special media delivery protocols ...
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Videotelephony
Videotelephony, also known as videoconferencing and video teleconferencing, is the two-way or multipoint reception and transmission of audio and video signals by people in different locations for real time communication.McGraw-Hill Concise Encyclopedia of EngineeringVideotelephony McGraw-Hill, 2002. Retrieved from the FreeDictionary.com website, January 9, 2010 A videophone is a telephone with a video camera and video display, capable of simultaneous video and audio communication. Videoconferencing implies the use of this technology for a group or organizational meeting rather than for individuals, in a videoconference.Mulbach et al, 1995. pg. 291. Telepresence may refer either to a high-quality videotelephony system (where the goal is to create the illusion that remote participants are in the same room) or to meetup technology, which can go beyond video into robotics (such as moving around the room or physically manipulating objects). Videoconferencing has also been called "vis ...
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Videoconferencing
Videotelephony, also known as videoconferencing and video teleconferencing, is the two-way or multipoint reception and transmission of audio and video signals by people in different locations for real time communication.McGraw-Hill Concise Encyclopedia of EngineeringVideotelephony McGraw-Hill, 2002. Retrieved from the FreeDictionary.com website, January 9, 2010 A videophone is a telephone with a video camera and video display, capable of simultaneous video and audio communication. Videoconferencing implies the use of this technology for a group or organizational meeting rather than for individuals, in a videoconference.Mulbach et al, 1995. pg. 291. Telepresence may refer either to a high-quality videotelephony system (where the goal is to create the illusion that remote participants are in the same room) or to meetup technology, which can go beyond video into robotics (such as moving around the room or physically manipulating objects). Videoconferencing has also been called ...
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Janus Friis
Janus Friis (; born 26 June 1976) is a Danish entrepreneur best known for co-founding the file-sharing application Kazaa, and the peer-to-peer telephony application Skype. In September 2005, he and his business partner Niklas Zennström sold Skype to eBay for $2.6 B. Friis has maintained ownership interest in Skype through Silver Lake Partners, which sold Skype to Microsoft for $8.5 billion, in May 2011. Friis and Zennström also developed Joost—an interactive software application for distributing TV shows and other forms of video content over the Web. The assets of this service were sold to Adconion Media Group in November 2009. Independently, Friis founded video streaming startup Vdio in 2011. Friis and Ahti Heinla founded Starship Technologies in 2014, to develop small self-driving delivery robots. Career Friis had no formal higher education, dropping out of high school before starting a job at the help desk of CyberCity, one of Denmark's first Internet service pro ...
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Windows Live Messenger
MSN Messenger (also known colloquially simply as "Messenger"), later rebranded as Windows Live Messenger, was a cross-platform instant-messaging client developed by Microsoft. It connected to the Microsoft Messenger service and, in later versions, was compatible with Yahoo! Messenger and Facebook Messenger. Versions were developed for Windows, Xbox 360, Mac OS X (later under the name Microsoft Messenger for Mac), BlackBerry OS, iOS, Java ME, S60 on Symbian OS 9.x, MSN TV, Zune HD, Windows Phone, Windows Mobile and Windows CE. The client was first released as MSN Messenger Service on July 22, 1999, and was marketed under the MSN brand until 2005, when it was rebranded under the Windows Live name. It has since been officially known by the latter name, although its first name remained in common use. In June 2009, Microsoft reported the service attracted over 330 million active users each month, placing it among the most widely used instant-messaging clients in the world. Follo ...
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EBay
eBay Inc. ( ) is an American multinational e-commerce company based in San Jose, California, that facilitates consumer-to-consumer and business-to-consumer sales through its website. eBay was founded by Pierre Omidyar in 1995 and became a notable success story of the dot-com bubble. eBay is a multibillion-dollar business with operations in about 32 countries, as of 2019. The company manages the eBay website, an online auction and shopping website in which people and businesses buy and sell a wide variety of goods and services worldwide. The website is free to use for buyers, but sellers are charged fees for listing items after a limited number of free listings, and an additional or separate fee when those items are sold. In addition to eBay's original auction-style sales, the website has evolved and expanded to include: instant "Buy It Now" shopping; shopping by Universal Product Code, ISBN, or other kind of SKU number (via Half.com, which was shut down in 2017); an ...
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Silver Lake Partners
Silver Lake is an American global private equity firm focused on investments in technology, technology-enabled and related industries. Founded in 1999, the firm is one of the largest technology investors in the world. Its investment holdings have included Airbnb, Alibaba Group, Ancestry.com, Broadcom, Credit Karma, City Football Group, Dell Technologies, Endeavor, Expedia Group, Fanatics, First Advantage, Global Blue, GoDaddy, Jio, Lightbox, Motorola Solutions, New Zealand Rugby, NortonLifeLock, Red Ventures, Sabre Corporation, Skype, SoFi, GLG, Seagate Technology, SolarWinds, TEG, Twitter, Unity Technologies, Waymo, Weld North Education, WP Engine, Vacasa, the A-League football competition in Australia, and ZPG. Silver Lake is headquartered in Silicon Valley, and has offices in New York, London and Hong Kong. History Silver Lake was founded in 1999, at the height of the late 1990s technology boom to make private equity investments in mature technology compani ...
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Niklas Zennström
Niklas Zennström (; born 16 February 1966) is a Swedish entrepreneur and technology investor. Zennström is also the co-founder of the charity organization Zennström Philanthropies. Education Zennström has dual degrees in Business Administration ( BSc) from Uppsala University and Engineering Physics ( MSc) from the Uppsala University. He spent his final year at University of Michigan, Ann Arbor, US. Career Zennström started his professional career in 1991 at the European telecom operator Tele2. He went on to serve in various business development roles including launching and being responsible for European Internet Service Provider business get2net and as CEO of the everyday.com portal. In 2000, Zennström and Janus Friis co-founded Kazaa, the peer-to-peer file sharing application. Niklas served as CEO and the program became the world's most downloaded Internet software in 2003. After lawsuits were filed by members of the music and motion picture industry in the US, Kazaa ...
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Instant Messaging
Instant messaging (IM) technology is a type of online chat allowing real-time text transmission over the Internet or another computer network. Messages are typically transmitted between two or more parties, when each user inputs text and triggers a transmission to the recipient(s), who are all connected on a common network. It differs from email in that conversations over instant messaging happen in real-time (hence "instant"). Most modern IM applications (sometimes called "social messengers", "messaging apps" or "chat apps") use push technology and also add other features such as emojis (or graphical smileys), file transfer, chatbots, voice over IP, or video chat capabilities. Instant messaging systems tend to facilitate connections between specified known users (often using a contact list also known as a "buddy list" or "friend list"), and can be standalone applications or integrated into e.g. a wider social media platform, or a website where it can for instance be ...
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Jaan Tallinn
Jaan Tallinn (born 14 February 1972) is an Estonian billionaire computer programmer and investor known for his participation in the development of Skype and file-sharing application FastTrack/ Kazaa. Jaan Tallinn is a leading figure in the field of existential risk, having co-founded both the Centre for the Study of Existential Risk (CSER), and the Future of Life Institute. Life Jaan Tallinn graduated from the University of Tartu in 1996 with a BSc in theoretical physics with a thesis that considered travelling interstellar distances using warps in space-time. Tallinn founded Bluemoon in Estonia alongside schoolmates Ahti Heinla and Priit Kasesalu. Bluemoon's ''Kosmonaut'' became, in 1989 (''SkyRoads'' is the 1993 remake), the first Estonian game to be sold abroad, and earned the company US$5,000. By 1999, Bluemoon faced bankruptcy; its founders decided to acquire remote jobs for the Swedish Tele2 at a salary of US$330 each per day. The Tele2 project, "Everyday.com", was a com ...
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