YouTube

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YouTube, LLC
Type Subsidiary, limited liability company
Founded February 2005
Founder Steve Chen, Chad Hurley, Jawed Karim
Headquarters 901 Cherry Ave, San Bruno, California, United States
Area served Worldwide
Key people Chad Hurley (CEO)
Steve Chen (CTO)
Jawed Karim (Advisor)
Owner YouTube LLC (2005–2006)
Google Inc. (2006–present)
Slogan Broadcast Yourself
Website YouTube.com
(see list of localized domain names)
Alexa rank ▬ 3 (July 2010)[1]
Type of site video hosting service
Advertising Google AdSense
Registration Optional
Available in 24 languages are available through the user interface[2]
Launched February 14, 2005 (2005-02-14)
Current status Active

YouTube is a video-sharing website on which users can upload, share, and view videos. Three former PayPal employees created YouTube in February 2005.[3] The name and logo of the company are an allusion to the cathode ray tube, a display device used since the early days of electronic television.[citation needed]

The company is based in San Bruno, California, and uses Adobe Flash Video technology to display a wide variety of user-generated video content, including movie clips, TV clips, and music videos, as well as amateur content such as video blogging and short original videos. Most of the content on YouTube has been uploaded by individuals, although media corporations including CBS, BBC, VEVO and other organizations offer some of their material via the site, as part of the YouTube partnership program.[4]

Unregistered users can watch the videos, while registered users are permitted to upload an unlimited number of videos. Videos that are considered to contain potentially offensive content are available only to registered users 18 and older.

In November 2006, YouTube, LLC was bought by Google Inc. for $1.65 billion, and now operates as a subsidiary of Google.

Contents

Company history

Main article: History of YouTube
YouTube's current headquarters in San Bruno, California

YouTube was founded by Chad Hurley, Steve Chen and Jawed Karim, who were all early employees of PayPal.[5] Hurley studied design at Indiana University of Pennsylvania, while Chen and Karim studied computer science together at the University of Illinois at Urbana-Champaign.[6]

According to a story that has often been repeated in the media, Chad Hurley and Steve Chen developed the idea for YouTube during the early months of 2005, after they had experienced difficulty sharing videos that had been shot at a dinner party at Chen's apartment in San Francisco. Jawed Karim did not attend the party and denied that it had occurred, while Chad Hurley commented that the idea that YouTube was founded after a dinner party "was probably very strengthened by marketing ideas around creating a story that was very digestible."[7]

YouTube began as a venture-funded technology startup, primarily from a US$11.5 million investment by Sequoia Capital between November 2005 and April 2006.[8] YouTube's early headquarters were situated above a pizzeria and Japanese restaurant in San Mateo, California.[9] The domain name www.youtube.com was activated on February 14, 2005, and the website was developed over the subsequent months.[10] The first YouTube video was entitled Me at the zoo, and shows founder Jawed Karim at San Diego Zoo.[11] The video was uploaded on April 23, 2005, and can still be viewed on the site.[12]

YouTube offered the public a beta test of the site in May 2005, six months before the official launch in November 2005. The site grew rapidly, and in July 2006 the company announced that more than 65,000 new videos were being uploaded every day, and that the site was receiving 100 million video views per day.[13] According to data published by market research company comScore, YouTube is the dominant provider of online video in the United States, with a market share of around 43 percent and more than 14 billion videos viewed in May 2010.[14] YouTube says that 24 hours of new videos are uploaded to the site every minute, and that around three quarters of the material comes from outside the United States.[15][16] It is estimated that in 2007 YouTube consumed as much bandwidth as the entire Internet in 2000.[17] Alexa ranks YouTube as the third most visited website on the Internet, behind Google and Facebook.[18]

The choice of the name www.youtube.com led to problems for a similarly named website, www.utube.com. The owner of the site, Universal Tube & Rollform Equipment, filed a lawsuit against YouTube in November 2006 after being overloaded on a regular basis by people looking for YouTube. Universal Tube has since changed the name of its website to www.utubeonline.com.[19][20] In October 2006, Google Inc. announced that it had acquired YouTube for US$1.65 billion in Google stock, and the deal was finalized on November 13, 2006.[21] Google does not provide detailed figures for YouTube's running costs, and YouTube's revenues in 2007 were noted as "not material" in a regulatory filing.[22] In June 2008, a Forbes magazine article projected the 2008 revenue at US$200 million, noting progress in advertising sales.[23]

In November 2008, YouTube reached an agreement with MGM, Lions Gate Entertainment and CBS, allowing the companies to post full-length films and television episodes on the site, accompanied by advertisements in a section for US viewers called "Shows". The move was intended to create competition with websites such as Hulu, which features material from NBC, Fox, and Disney.[24][25] In November 2009, YouTube launched a version of "Shows" available to UK viewers, offering around 4000 full-length shows from more than 60 partners.[26] In January 2010, YouTube introduced an online film rentals service,[27] which is currently available only to users in the United States.[28][29]

In March 2010, YouTube began free streaming of certain content, including 60 cricket matches of the Indian Premier League. According to YouTube, this was the first worldwide free online broadcast of a major sporting event.[30]

On March 31, 2010, the YouTube website launched a new design, with the aim of simplifying the interface and increasing the time users spend on the site. Google product manager Shiva Rajaraman commented: "We really felt like we needed to step back and remove the clutter."[31] In May 2010, it was reported that YouTube was serving more than two billion videos a day, which it described as "nearly double the prime-time audience of all three major US television networks combined."[32]

Social impact

Main article: Social impact of YouTube

Before the launch of YouTube in 2005, there were few easy methods available for ordinary computer users who wanted to post videos online. With its simple interface, YouTube made it possible for anyone with an Internet connection to post a video that a worldwide audience could watch within a few minutes. The wide range of topics covered by YouTube has turned video sharing into one of the most important parts of Internet culture.

An early example of the social impact of YouTube was the success of the Bus Uncle video in 2006. It shows a heated conversation between a youth and an older man on a bus in Hong Kong, and was discussed widely in the mainstream media.[33] Another YouTube video to receive extensive coverage is guitar,[34] which features a performance of Pachelbel's Canon on an electric guitar. The name of the performer is not given in the video, and after it received millions of views The New York Times revealed the identity of the guitarist as Jeong-Hyun Lim, a 23-year-old from South Korea who had recorded the track in his bedroom.[35]

YouTube was awarded a 2008 George Foster Peabody Award and cited for being "a 'Speakers' Corner' that both embodies and promotes democracy."[36][37] Entertainment Weekly put it on its end-of-the-decade, "best-of" list, saying, "Providing a safe home for piano-playing cats, celeb goof-ups, and overzealous lip-synchers since 2005."[38]

Criticism

Main article: Criticism of YouTube

Copyrighted material

YouTube has been criticized for failing to ensure that uploaded videos comply with the law of copyright. YouTube users are advised to not upload any TV shows, music videos, music concerts or commercials without permission unless they consist entirely of content the users created themselves.[39] Despite this advice, there are still many unauthorized clips of copyrighted material on YouTube. YouTube does not view videos before they are posted online, and it is left to copyright holders to issue a takedown notice under the terms of the Digital Millennium Copyright Act.

Organizations including Viacom, Mediaset and the English Premier League have filed lawsuits against YouTube, claiming that it has done too little to prevent the uploading of copyrighted material.[40][41][42] Viacom, demanding US$1 billion in damages, said that it had found more than 150,000 unauthorized clips of its material on YouTube that had been viewed "an astounding 1.5 billion times". YouTube responded by stating that it "goes far beyond its legal obligations in assisting content owners to protect their works". Since Viacom filed its lawsuit, YouTube has introduced a system called Video ID, which checks uploaded videos against a database of copyrighted content with the aim of reducing violations.[43][44] On June 23, 2010, Viacom's lawsuit against Google was rejected in a summary judgment, with Judge Louis Stanton stating that Google was protected by provisions of the Digital Millennium Copyright Act. Viacom announced its intention to appeal against the ruling.[45]

In August 2008, a U.S. court ruled in Lenz v. Universal Music Corp. that copyright holders cannot order the removal of an online file without first determining whether the posting reflected fair use of the material. The case involved Stephanie Lenz from Gallitzin, Pennsylvania, who had made a home video of her 13-month-old son dancing to Prince's song "Let's Go Crazy" and posted the 29-second video on YouTube.[46]

Privacy

In July 2008, Viacom won a court ruling requiring YouTube to hand over data detailing the viewing habits of every user who has watched videos on the site. The move led to concerns that the viewing habits of individual users could be identified through a combination of their IP addresses and login names. The decision was criticized by the Electronic Frontier Foundation, which called the court ruling "a set-back to privacy rights".[47] U.S. District Court Judge Louis Stanton dismissed the privacy concerns as "speculative", and ordered YouTube to hand over documents totalling around 12 terabytes of data. Judge Stanton rejected Viacom's request for YouTube to hand over the source code of its search engine system, saying that there was no evidence that YouTube treated videos infringing copyright differently.[48][49]

Controversial content

YouTube has also faced criticism over the offensive content in some of its videos. The uploading of videos containing defamation, pornography and material encouraging criminal conduct is prohibited by YouTube's terms of service.[50] Controversial areas for videos have included Holocaust denial and the Hillsborough Disaster, in which 96 football fans from Liverpool were crushed to death in 1989, conspiracy theories and religion.[51][52]

YouTube relies on its users to flag the content of videos as inappropriate, and a YouTube employee will view a flagged video to determine whether it violates the site's terms of service.[50] In July 2008 the Culture and Media Committee of the House of Commons of the United Kingdom stated that it was "unimpressed" with YouTube's system for policing its videos, and argued that "Proactive review of content should be standard practice for sites hosting user generated content." YouTube responded by stating: "We have strict rules on what's allowed, and a system that enables anyone who sees inappropriate content to report it to our 24/7 review team and have it dealt with promptly. We educate our community on the rules and include a direct link from every YouTube page to make this process as easy as possible for our users. Given the volume of content uploaded on our site, we think this is by far the most effective way to make sure that the tiny minority of videos that break the rules come down quickly."[53]

Blocking

Main article: Blocking of YouTube

Several countries have blocked access to YouTube:

Some schools have blocked access to YouTube, citing the inability to determine what sort of video material might be accessed by students.[69]

Video technology

Playback

Viewing YouTube videos on a personal computer requires the Adobe Flash Player plug-in to be installed in the browser. The Adobe Flash Player plug-in is one of the most common pieces of software installed on personal computers and accounts for almost 75% of online video material.[70]

In January 2010, YouTube launched an experimental version of the site that uses the built-in multimedia capabilities of web browsers supporting the HTML5 standard. This allows videos to be viewed without requiring Adobe Flash Player or any other plug-in to be installed.[71][72] The YouTube site has a page that allows supported browsers to opt in to the HTML5 trial. Only browsers that support HTML5 Video using the H.264 or WebM formats can play the videos, and not all videos on the site are available.[73][74]

Uploading

Videos uploaded to YouTube by standard account holders are limited to 15 minutes in duration. When YouTube was launched in 2005 it was possible to upload longer videos, but a ten minute limit was introduced in March 2006 after YouTube found that the majority of videos exceeding this length were unauthorized uploads of television shows and films.[75][76] The ten minute limit was increased to fifteen minutes in July 2010.[77] Partner accounts are permitted to upload longer videos, subject to acceptance by YouTube.[78] File size is limited to 2 GB for uploads from YouTube web page, and to 20 GB if Java-based Advanced Uploader is used.

YouTube accepts videos uploaded in most container formats, including .AVI, .MKV, .MOV, .MP4, DivX, .FLV, and .ogg and .ogv. These include video formats such as MPEG-4, MPEG, and .WMV. It also supports 3GP, allowing videos to be uploaded from legacy mobile phones.[79] Videos with progressive scanning or interlaced scanning can be uploaded, but for the best video quality, YouTube prefers interlaced videos to be deinterlaced prior to uploading. All the video formats on YouTube use progressive scanning.[80]

Quality and codecs

YouTube originally offered videos at only one quality level, displayed at a resolution of 320x240 pixels using the H.263 Sorenson Spark codec, with mono MP3 audio.[81] In June 2007, YouTube added an option to watch videos in 3GP format on mobile phones.[82] In March 2008, a high quality mode was added, which increased the resolution to 480x360 pixels[83] In November 2008 720p HD support was added.[84] With this new feature, YouTube began a switchover to H.264/MPEG-4 AVC as its default video codec. In November 2008, the YouTube player was also changed from a 4:3 aspect ratio to a widescreen 16:9. In November 2009, 1080p HD support was added. In July 2010, YouTube announced that it had launched a range of videos in 4k format, which allows a resolution of up to 4096x3072 pixels.[85][86]

YouTube videos are available in a range of quality levels. The former names of standard quality (SQ), high quality (HQ) and high definition (HD) have been replaced by numerical values representing the vertical resolution of the video. The default video stream is encoded in H.264/MPEG-4 AVC format, with stereo AAC audio.[87]

Comparison of YouTube media types
240p 360p 480p Medium 720p 1080p 4K WebM 480p WebM 720p Mobile Old formats (pre Feb 2009)
Standard High Mobile
fmt value 5 34 35 18 22 37 38 43 45 17 0, 5 6 13
Default container FLV MP4 WebM[88] 3GP FLV 3GP
Video Encoding H.263 MPEG-4 AVC (H.264) VP8 MPEG-4 Visual H.263
Player aspect ratio 16:9 11:9 4:3 11:9
Max width (pixels) 400 640 854 480 1280 1920 4096 854 1280 176 320 480 176
Max height (pixels) 240 360 480 360 720 1080 3072 480 720 144 240 360 144
Max frame rate 30 or variable[2] - 12 - -
Bitrate[1] (Mbit/s) 0.25 0.5 0.8 - 1 0.5 2 3.5 - 5 - - - - - - -
Audio Encoding MP3 AAC Vorbis AAC MP3 AMR
Channels 2 (stereo) 1 (mono)
Sampling rate (Hz) 22050 44100 48000 44100 22050 44100 8000
Bitrate, Kbit/s[1] - - - - - - - - - - - - -

^ 1 Approximate values based on statistical data; actual bitrate can be higher or lower due to variable encoding rate.[89][90][91][92]
^ 2 Videos with frame rate higher than 30 frames/s are streamed by YouTube with variable frame rate.

3D videos

In a video posted on July 21, 2009,[93] YouTube software engineer Peter Bradshaw announced that YouTube users can now upload 3D videos. The videos can be viewed in several different ways, including the common anaglyph (cyan/red lens) method which utilizes glasses worn by the viewer to achieve the 3D effect.[94][95][96]

Content accessibility

One of the key features of YouTube is the ability of users to view its videos on web pages outside the site. Each YouTube video is accompanied by a piece of HTML, which can be used to embed it on a page outside the YouTube website. This functionality is often used to embed YouTube videos in social networking pages and blogs.[97] Embedding, as well as ranking and commenting, can be disabled by the video owner.

YouTube does not usually offer a download link for its videos, and intends that they are viewed through its website interface.[98] A small number of videos, such as the weekly addresses by President Barack Obama, can be downloaded as MP4 files.[99] Numerous third-party web sites, applications and browser plug-ins allow users to download YouTube videos.[100] In February 2009, YouTube announced a test service, allowing some partners to offer video downloads for free or for a fee paid through Google Checkout.[101]

Platforms

Some smart phones are capable of accessing YouTube videos, dependent on the provider and the data plan. YouTube Mobile was launched in June 2007, and uses RTSP streaming for the video.[102] Not all of YouTube's videos are available on the mobile version of the site.[103]

Since June 2007, YouTube's videos have been available for viewing on a range of Apple products. This required YouTube's content to be transcoded into Apple's preferred video standard, H.264, a process that took several months. YouTube videos can be viewed on devices including Apple TV, iPod Touch and the iPhone.[104] A TiVo service update in July 2008 allowed the system to search and play YouTube videos.[105] In January 2009, YouTube launched "YouTube for TV", a version of the website tailored for set-top boxes and other TV-based media devices with web browsers, initially allowing its videos to be viewed on the PlayStation 3 and Wii video game consoles.[106][107] In June 2009, YouTube XL was introduced, which has a simplified interface designed for viewing on a standard television screen.[108]

Captions

In March 2010, YouTube announced that it was introducing automatic captioning for videos, in order to make the site more accessible for the deaf and hearing impaired. The technology is based on Google Voice Search, and at present is confined to a beta test for English language videos.[109]

Localization

On June 19, 2007, Google CEO Eric E. Schmidt was in Paris to launch the new localization system.[110] The interface of the website is available with localized versions in 23 countries:[111]

Country Language Launch date
 Australia English (Australia) 02007-10-22 October 22, 2007[112]
 Brazil Portuguese (Brazil) 02007-06-19 June 19, 2007[110]
 Canada English (Canada) and French (Canada) 02007-11-06 November 6, 2007[113]
 Czech Republic Czech 02008-10-09 October 9, 2008[114]
 France French 02007-06-19 June 19, 2007[110]
 Germany German 02007-11-08 November 8, 2007[115]
 Hong Kong English and Chinese (Traditional) 02007-10-17 October 17, 2007[116]
 Israel English 02008-09-16 September 16, 2008
 India English (India) and Hindi 02008-05-07 May 7, 2008[117]
 Ireland English (Ireland) 02007-06-19 June 19, 2007[110]
 Italy Italian 02007-06-19 June 19, 2007[110]
 Japan Japanese 02007-06-19 June 19, 2007[110]
South Korea Korea Korean 02008-01-23 January 23, 2008
 Mexico Spanish (Mexico) 02007-10-10 October 10, 2007
 Netherlands Dutch 02007-06-19 June 19, 2007[110]
 New Zealand English (New Zealand) 02007-10-22 October 22, 2007[112]
 Poland Polish 02007-06-19 June 19, 2007[110]
 Russia Russian 02007-11-13 November 13, 2007
 Spain Spanish 02007-06-19 June 19, 2007[110]
 South Africa English (South African) 02010-05-17 May 17, 2010[110]
 Sweden Swedish 02008-10-22 October 22, 2008
 Taiwan Chinese (Traditional) 02007-10-18 October 18, 2007[116]
 United Kingdom English (United Kingdom) 02007-06-19 June 19, 2007[110]

The YouTube interface suggests which local version should be chosen on the basis of the IP address of the user. In some cases, the message "This video is not available in your country" may appear because of copyright restrictions or inappropriate content.[118]

The interface of the YouTube website is available in 24 different languages, including Danish, Finnish, Greek, Hungarian and Norwegian, which do not have local channel versions.[2]

Plans for YouTube to create a local version in Turkey have run into problems, since the Turkish authorities asked YouTube to set up an office in Turkey, which would be subject to Turkish law. YouTube says that it has no intention of doing this, and that its videos are not subject to Turkish law. Turkish authorities have expressed concerns that YouTube has been used to post videos insulting to Mustafa Kemal Atatürk and some material offensive to Muslims.[119][120]

In March 2009, a dispute between YouTube and the British royalty collection agency PRS for Music led to premium music videos being blocked for YouTube users in the United Kingdom. The removal of videos posted by the major record companies occurred after failure to reach agreement on a licensing deal. The dispute was resolved in September 2009.[121] In April 2009, a similar dispute led to the removal of premium music videos for users in Germany.[122]

April Fools

YouTube has featured April Fools on the site every year since 2008:

See also

San Francisco Bay Area portal
Companies portal
Internet portal


References

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