http://www.itmedia.co.jp/news/articles/0503/10/news091.html

http://japan.cnet.com/news/media/story/0,2000047715,20080030,00.htm

http://japan.cnet.com/news/media/story/0,2000047715,20079652,00.htm?ref=rss

http://www.itmedia.co.jp/lifestyle/articles/0410/27/news004.html

http://www.itmedia.co.jp/lifestyle/articles/0410/13/news015.html

http://japan.cnet.com/news/media/story/0,2000047715,20074810,00.htm

http://bb.watch.impress.co.jp/cda/news/6864.html

http://japan.cnet.com/news/media/story/0,2000047715,20071389,00.htm