IM
http://japan.internet.com/research/20060919/1.html
http://japan.cnet.com/column/mori/story/0,2000050579,20088891,00.htm
http://japan.cnet.com/news/media/story/0,2000047715,20088659,00.htm
http://japan.internet.com/research/20060919/1.html
http://japan.cnet.com/column/mori/story/0,2000050579,20088891,00.htm
http://japan.cnet.com/news/media/story/0,2000047715,20088659,00.htm