http://www.itmedia.co.jp/news/articles/0409/29/news052.html

http://www.itmedia.co.jp/news/articles/0412/09/news054.html

http://japan.cnet.com/news/tech/story/0,2000047674,20078483,00.htm

http://japan.cnet.com/news/biz/story/0,2000050156,20078443,00.htm

http://japan.cnet.com/news/ent/story/0,2000047623,20072043,00.htm