http://www.japan.cnet.com/news/com/story/0,2000047668,20090506,00.htm http://www.itmedia.co.jp/news/articles/0511/08/news047.html http://ascii24.com/news/i/tech/article/2005/11/08/658943-000.html これが普及したら、光にしようかな〜(笑)