http://gigazine.net/news/20150405-windows10-left-feature/

http://headlines.yahoo.co.jp/hl?a=20150401-35062578-cnn-int

http://www.tokyokai.jp/news/%E5%BC%81%E8%AD%B7%E5%A3%AB%E5%BC%B7%E5%88%B6%E5%88%B6%E5%BA%A6%E3%81%AB%E5%8F%8D%E5%AF%BE%E3%81%99%E3%82%8B%E6%84%8F%E8%A6%8B%E6%9B%B8%20.pdf

http://headlines.yahoo.co.jp/hl?a=20150403-00000054-mai-soci

http://nakamuramakoto.blog112.fc2.com/blog-entry-251.html