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Censorship of YouTube, the third-most visited website in the world in 2010, 2011, and 2012 according to Alexa Internet,〔("youtube.com Traffic Stats" ), Alexa. Retrieved September 24, 2012〕 has and continues to occur in many countries throughout the world. ==General== YouTube blocking occurs for a variety of reasons including:〔("YouTube Censored: A Recent History" ), OpenNet Initiative. Retrieved September 23, 2012〕 * Limiting public exposure to content that may ignite social or political unrest; * Preventing criticism of a ruler, government, government officials, religion, or religious leaders; * Violations of national laws, including: * * Copyright and intellectual property protection laws; * * Violations of hate speech, ethics, or morality-based laws; and * * National security legislation. * Preventing access to videos judged to be inappropriate for youth; * Reducing distractions at work or school; and * Reducing the amount of network bandwidth used. In some countries YouTube is completely blocked, either through a long term standing ban or for more limited periods of time such as during periods of unrest, the run-up to an election, or in response to upcoming political anniversaries. In other countries access to the website as a whole remains open, but access to specific videos is blocked. In cases where the entire site is banned due to one particular video, YouTube will often agree to remove or limit access to that video in order to restore service.〔 As of September 2012, countries with standing national bans on YouTube include China, Iran, Pakistan, and Turkmenistan. YouTube is also mostly blocked in Germany from YouTube's side due to disputes between GEMA and YouTube over royalties. YouTube's Terms of Service prohibit the posting of videos which violate copyrights or depict pornography, illegal acts, gratuitous violence, or hate speech.〔(【引用サイトリンク】title= YouTube Community Guidelines )〕 User-posted videos that violate such terms may be removed and replaced with a message stating: "This video is no longer available because its content violated YouTube's Terms of Service". Businesses, schools, government agencies, and other private institutions often block social media sites, including YouTube, due to bandwidth limitations and the site’s inevitable potential for distraction.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Censorship of YouTube」の詳細全文を読む スポンサード リンク
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