米国：Viacom対YouTube事件で，YouTube勝訴の判決

下記の記事が出ている。

　Judge Rules Against Viacom in Copyright Suit Against YouTube
　New York Times: April 18, 2013
　http://www.nytimes.com/2013/04/19/business/media/judge-rules-against-viacom-in-copyright-suit-against-youtube.html

　Once Again, YouTube Prevails In Viacom Case
　Tech Crunch: April 18, 2013
　http://techcrunch.com/2013/04/18/once-again-youtube-prevails-in-viacom-case/

　Court hands another defeat to Viacom in never-ending YouTube lawsuit
　ars technica: April 19, 2013
　http://arstechnica.com/tech-policy/2013/04/court-hands-another-defeat-to-viacom-in-never-ending-youtube-lawsuit/