"there were over 660 million worldwide users, with over 300 million estimated active each month as of August 2015. At one point in February 2012, there were 34 million users concurrently online on Skype. First released in August 2003, Skype was created by the Swede Niklas Zennström and the Dane Janus Friis, in cooperation with Ahti Heinla, Priit Kasesalu, and Jaan Tallinn, Estonians who developed the backend that was also used in the music-sharing application Kazaa. In September 2005, eBay acquired Skype for $2.6 billion. In September 2009, Silver Lake, Andreessen Horowitz, and the Canada Pension Plan Investment Board announced"
"Azure service and adjusted the user interfaces of apps to make text-based messaging more prominent than voice calling. Skype for Windows, iOS, Android, Mac and Linux received significant, visible overhauls. The name for the software is derived from ""Sky peer-to-peer"", which was then abbreviated to ""Skyper"". However, some of the domain names associated with ""Skyper"" were already taken. Dropping the final ""r"" left the current title ""Skype"", for which domain names were available. Skype was founded in 2003 by Niklas Zennström, from Sweden, and Janus Friis, from Denmark. The Skype software was created by Estonians Ahti Heinla, Priit Kasesalu, and"
"having its headquarters in Luxembourg with offices now in Tallinn, Tartu, Stockholm, London, Palo Alto, Prague, and Redmond, Washington. The Skype software was originally developed by Estonians Ahti Heinla, Priit Kasesalu and Jaan Tallinn, who together with Janus Friis and Niklas Zennström were also behind the peer-to-peer file sharing software Kazaa. In April 2003, Skype.com and Skype.net domain names were registered. In August 2003, the first public beta version was released. One of the initial names for the project was ""Sky peer-to-peer"", which was then abbreviated to ""Skyper"". However, some of the domain names associated with ""Skyper"" were already taken."
"Silver Lake, Andreessen Horowitz and the Canada Pension Plan Investment Board announced the acquisition of 65% of Skype for $1.9 billion from eBay, valuing the business at $2.75 billion. Skype was acquired by Microsoft in May 2011 for $8.5 billion. As of 2010, Skype was available in 27 languages and has 660 million worldwide users, an average of over 100 million active each month, and has faced challenges to its intellectual property amid political concerns by governments wishing to control telecommunications systems within their borders. Skype was founded in 2003 by Janus Friis from Denmark and Niklas Zennström from Sweden,"
"Daniel Harple Daniel Harple (born July 23, 1959) is an American entrepreneur, investor, inventor and engineer best known for his role in the creation of several Internet standards, among them, Real Time Streaming Protocol used in entertainment and communications systems such as YouTube, RealPlayer, QuickTime, Skype, and others. Harple has been called a visionary, an Internet pioneer, and a ""serial entrepreneur"", founding multiple technology start-ups and playing a key role in the development of technologies like collaborative groupware, Voice over IP, and interactive screen sharing whiteboards. Harple also holds a number of core technology patents for inventions in VoIP, media"
"Bob Wallace Bob Wallace (May 29, 1949 – September 20, 2002) was an American software developer, programmer and the ninth Microsoft employee. He was the first popular user of the term shareware, creator of the word processing program PC-Write, founder of the software company Quicksoft and an ""online drug guru"" who devoted much time and money into the research of psychedelic drugs. Bob ended his Usenet posts with the phrase, ""Bob Wallace (just my opinion)."" Bob Wallace was born in Arlington, Virginia. He first worked on computers as a member of an Explorer Scout troop sponsored by Control Data Corp."
"growth, particularly in the last two years."" On 9 August 2010, Skype filed with the United States Securities and Exchange Commission (SEC) to raise up to US$100 million in an initial public offering. Sources reported that the company expected to raise at least US$1 billion. In October 2010, Skype announced the appointment of Tony Bates as CEO; Bates was a senior VP at Cisco and was responsible for its multibillion-dollar enterprise, commercial and small business division. On 14 October 2010, Skype 5.0 for Windows was released with a number of improvements and feature additions, including a Facebook tab to allow"
"Microsoft's development and security department. At the end of July 2017, Mejri in cooperation with the Microsoft Security Response Center released a critical vulnerability in Skype. A buffer overflow during the Remote Desktop Protocol (RDP) clipboard transmission allowed the vulnerability to be exploited remotely by attackers. Skype Windows software versions 7.2,7.35 & 7.36 were affected. In 2013, Kunz Mejri also published more than 40 vulnerabilities in the Barracuda Networks firewall and other products. All security gaps were reliably closed by the manufacturer during the course of the year. The submitted documents were processed by the company's development team and Dave"
"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 telecommunications company headquartered in Luxembourg City, Luxembourg and Palo Alto, CA, United States, 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"
"Wire (software) Wire is an encrypted communications program created by Wire Swiss. It works on iOS, Android, Linux, Windows, macOS and web browsers such as Firefox. Wire transmits text messages and files; can make voice calls and be used for video conferences. Many employees working for Wire previously worked for Skype. Skype's co-founder Janus Friis helped create Wire. Wire Swiss GmbH launched the Wire app on 3 December 2014. Shortly after its launch, the company retracted a claim from its website that the app's messages and conversation history could only be read by the conversation participants. In August 2015, the"
"proprietary Skype. Stallman's e-mail signature contained a mention to the softphone during a few years: Sandras is a graduate of the Université Catholique de Louvain. He is mentioned on the university portal in the ""University Success Stories"". He is now leading Be IP, a startup dealing with enterprise Open Source VoIP software. Damien Sandras Damien Sandras is known in the free software community due to his work on GNOME, more specifically on Ekiga, the leading Open Source softphone for the Linux desktop. He is one of the founders of FOSDEM, an event dedicated to free software developers in Europe. FOSDEM"
"Skype Translator Skype Translator is a speech to speech translation application developed by Skype, which has operated as a division of Microsoft since 2011. Skype Translator Preview has been publicly available since December 15, 2014. Skype Translator is available as a standalone app and, as of October 2015, is integrated into the Skype for Windows desktop app. Skype Translator was built on developments in deep neural networks for speech recognition and Microsoft Translator’s statistical machine translation technology. Users converse in their native languages, and the speech is translated from one language to the other in “near real-time”, with the output"
"Skype Skype () is a telecommunications application software product that specializes in providing video chat and voice calls between computers, tablets, mobile devices, the Xbox One console, and smartwatches via the Internet and to regular telephones. Skype additionally provides instant messaging services. Users may transmit both text and video messages, and may exchange digital documents such as images, text, and video. Skype allows video conference calls. Skype implements a freemium business model. Much of the service is free, but Skype Credit or a subscription is required to call a landline or a mobile phone number. At the end of 2010,"
"March 2016, Microsoft Translator announced that the Microsoft Translator API that powers Skype Translator is available as service for businesses that want to add speech translation to their custom apps and solutions. Skype Translator Skype Translator is a speech to speech translation application developed by Skype, which has operated as a division of Microsoft since 2011. Skype Translator Preview has been publicly available since December 15, 2014. Skype Translator is available as a standalone app and, as of October 2015, is integrated into the Skype for Windows desktop app. Skype Translator was built on developments in deep neural networks for"
"Cal Henderson Callum James Henderson-Begg (born 17 January 1981), known as Cal Henderson, is a British computer programmer and author based in San Francisco. Henderson attended Sharnbrook Upper School and Community College, and Birmingham City University where he graduated with a degree in software engineering in 2002. Henderson is best known as the co-founder and chief technology officer at Slack, as well as co-owning and developing the online creative community B3ta with Denise Wilton and Rob Manuel; being the chief software architect for the photo-sharing application Flickr (originally working for Ludicorp and then Yahoo) and writing the book ""Building Scalable"
"Jonathan Rosenberg (SIP author) Jonathan Rosenberg (born ) is a technologist noted for his work in IP communications. ""Network World"" has referred to him as ""a pioneer [in] the development of the SIP protocol"", and he was included in the 2002 TR35 list of the world's top under-35 innovators, as published by ""MIT Technology Review"". , Rosenberg is the vice president and chief technology officer for Collaboration at Cisco, having previously worked as Skype's chief technology strategist. Rosenberg is a longtime member of the I.E.T.F, where he has served in several leadership positions over his career. As of August 2017,"
"Skype security Skype is a Voice over Internet Protocol (VoIP) system developed by Skype Technologies S.A. It is a peer-to-peer network in which voice calls pass over the Internet rather than through a special-purpose network. Skype users can search for other users and send them messages. Skype uses 256 bit AES to encrypt communication between users, although when calling a telephone or mobile, the part of the call over the PSTN is not encrypted. Skype's encryption is inherent in the Skype Protocol and is transparent to callers. Skype is not considered to be a secure VoIP system as the calls"
"be written as proof-of-concept rather than releasing them in the wild. Gigabyte (virus writer) Kimberley Vanvaeck, also known by her online moniker Gigabyte, is a virus writer from Belgium known for a long-standing dispute which involved the internet security firm Sophos and one of its employees, Graham Cluley. Vanvaeck wrote several viruses, including Quis, Coconut and YahaSux (also called Sahay). She also created a Sharp virus (also called ""Sharpei""), credited as being the first virus to be written in C#. Vanvaeck's dispute with Cluley began after he made several comments concerning the gender of virus writers. This prompted Vanvaeck to"
"Joel Spolsky Avram Joel Spolsky (born 1965) is a software engineer and writer. He is the author of ""Joel on Software"", a blog on software development, and the creator of the project management software Trello. He was a Program Manager on the Microsoft Excel team between 1991 and 1994. He later founded Fog Creek Software in 2000 and launched the ""Joel on Software"" blog. In 2008, he launched the Stack Overflow programmer Q&A site in collaboration with Jeff Atwood. Using the Stack Exchange software product which powers Stack Overflow, the Stack Exchange Network now hosts over 170 Q&A sites. Spolsky"
"Paul Graham (programmer) Paul Graham (; born 13 November 1964) is an English born computer scientist, entrepreneur, venture capitalist, author, and essayist. He is best known for his work on Lisp, his former startup Viaweb (later renamed ""Yahoo! Store""), co-founding the influential startup accelerator and seed capital firm Y Combinator, his blog, and Hacker News. He is the author of several programming books, such as: ""On Lisp"" (1993), ""ANSI Common Lisp"" (1995), and ""Hackers & Painters"" (2004). Technology journalist Steven Levy has described Graham as a ""hacker philosopher"". In 1996, Graham and Robert Morris founded Viaweb, the first application service"
"Gigabyte (virus writer) Kimberley Vanvaeck, also known by her online moniker Gigabyte, is a virus writer from Belgium known for a long-standing dispute which involved the internet security firm Sophos and one of its employees, Graham Cluley. Vanvaeck wrote several viruses, including Quis, Coconut and YahaSux (also called Sahay). She also created a Sharp virus (also called ""Sharpei""), credited as being the first virus to be written in C#. Vanvaeck's dispute with Cluley began after he made several comments concerning the gender of virus writers. This prompted Vanvaeck to write several viruses that specifically targeted Cluley which were stated to"
"of 2018, Rosenberg reported that he is leaving Cisco. Jonathan Rosenberg (SIP author) Jonathan Rosenberg (born ) is a technologist noted for his work in IP communications. ""Network World"" has referred to him as ""a pioneer [in] the development of the SIP protocol"", and he was included in the 2002 TR35 list of the world's top under-35 innovators, as published by ""MIT Technology Review"". , Rosenberg is the vice president and chief technology officer for Collaboration at Cisco, having previously worked as Skype's chief technology strategist. Rosenberg is a longtime member of the I.E.T.F, where he has served in several"
"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 landline/mobile phones to call Skype (formerly called SkypeIn and now Skype Number), and voice messaging generates the majority of Skype's revenue. eBay acquired Skype Technologies S.A. in September 2005 and in April 2009 announced plans to spin it off in a 2010 Initial Public Offering (IPO). In September 2009,"
"Janus Friis Janus Friis (; born 26 June 1976 in Copenhagen) 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 partner Niklas Zennström sold Skype to eBay for $2.6B. 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"
"Jaan Tallinn. The first public beta version was released on 29 August 2003. In June 2005, Skype entered into an agreement with the Polish web portal Onet.pl for an integrated offering on the Polish market. On 12 September 2005, eBay Inc. agreed to acquire Luxembourg-based Skype Technologies SA for approximately US$2.5 billion in up-front cash and eBay stock, plus potential performance-based consideration. On 1 September 2009, eBay announced it was selling 65% of Skype to Silver Lake, Andreessen Horowitz, and the Canada Pension Plan Investment Board for US$1.9 billion, valuing Skype at US$2.75 billion. On 10 May 2011, Microsoft Corporation"
"Mozilla, where he led early Quality Assurance efforts on Firefox OS. In 2008, after a long campaign, he found a company willing to support his work on a managed care system for diabetic patients. Hammink established a certification program for Voice over IP provider Skype, which aims to measure the quality of the user experience for all facets of hardware and software products that integrate with Skype's open API. The Skype Certification program merges practical application of the Metaphysics of Quality as proposed by Robert M. Pirsig and principles of Software inspection as proposed by Tom Gilb. He has also"
"New Mexico]] [[Category:LGBT Jews]] [[Category:21st-century American non-fiction writers]] Joel Spolsky Avram Joel Spolsky (born 1965) is a software engineer and writer. He is the author of ""Joel on Software"", a blog on software development, and the creator of the project management software Trello. He was a Program Manager on the Microsoft Excel team between 1991 and 1994. He later founded Fog Creek Software in 2000 and launched the ""Joel on Software"" blog. In 2008, he launched the Stack Overflow programmer Q&A site in collaboration with Jeff Atwood. Using the Stack Exchange software product which powers Stack Overflow, the Stack Exchange"
"threats that could wipe us out as a species. Jaan Tallinn Jaan Tallinn (born 14 February 1972 in Tallinn) is an Estonian programmer, investor, and physicist who participated in the development of Skype in 2002 and FastTrack/Kazaa, a file-sharing application, in 2000. Jaan Tallinn is partner and co-founder of the development company Bluemoon which created the game SkyRoads. He 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 sits on the Board of Sponsors of the Bulletin of the Atomic Scientists and"
"Skype protocol The Skype protocol is a proprietary Internet telephony network based on client-server architecture, used by Skype. The protocol's specifications have not been made publicly available by Skype and official applications using the protocol are closed-source. The Skype network is not interoperable with most other Voice over IP (VoIP) networks without proper licensing from Skype. Numerous attempts to study and/or reverse engineer the protocol have been undertaken to reveal the protocol, investigate security or to allow unofficial clients. On June 20, 2014, Microsoft announced the deprecation of the old Skype protocol. Within several months from this date, in order"
"Ahti Heinla Ahti Heinla (born 2 May 1972) is an Estonian programmer and entrepreneur. He is one of the developers of Skype. He was also an organizer of Let's Do It 2008, a civic action with 50,000 volunteers participating in cleaning up the countryside of Estonia in one day. He was a recipient of the 2008 Estonian Volunteer of the Year national award. He has been a member of the board at the nature protection NGO Estonian Fund for Nature since 2006. Heinla speaks Estonian, English and Spanish. In 2013 and 2014 he participated on NASA Centennial Challenge as team"
"to be an effective method for identifying Skype's TCP- and UDP-based protocols. Skype 2.x used G.729, Skype 3.2 introduced SVOPC, and Skype 4.0 added a Skype-created codec called :SILK, intended to be ""lightweight and embeddable"". Additionally, Skype has released Opus as an open-source codec, which integrates the SILK codec principles for voice transmission with the CELT codec principles for higher-quality audio transmissions, such as live music performances. Opus was submitted to the Internet Engineering Task Force (IETF) in September 2010. Since then, it has been standardized as RFC 6716 VP7 is used for versions prior to Skype 5.5. As of"
"and NAT can be: Signaling is encrypted using RC4; however, the method only obfuscates the traffic as the key can be recovered from the packet. Voice data is encrypted with AES. The Skype client's application programming interface (API) opens the network to software developers. The Skype API allows other programs to use the Skype network to get ""white pages"" information and manage calls. The Skype code is closed source, and the protocol is not standardized. Parts of the client use Internet Direct (Indy), an open source socket communication library. On July 8, 2012, a researcher from Benin, Ouanilo Medegan, released"
"applications developed alongside Skype are Skype Translator, Skype Qik and GroupMe. Originally launched in 2003, it was bought by Microsoft in 2011 for $8.5 billion. The Microsoft hardware division is responsible for producing self-branded hardware and various lines of consumer electronics products. They consist of: MSN is a web portal and related collection of Internet services and apps for Windows and mobile devices, provided by Microsoft. It was launched on August 1995. The current website and suite of apps offered by MSN was first introduced by Microsoft in 2014 as part of a complete redesign and relaunch. The redesign of"