http://ascii24.com/news/i/topi/article/2004/02/25/648393-000.html

http://pc.watch.impress.co.jp/docs/2004/0225/sony.htm

http://k-tai.impress.co.jp/cda/article/news_toppage/17767.html

http://www.watch.impress.co.jp/av/docs/20040225/iodata1.htm

http://itpro.nikkeibp.co.jp/free/NCC/NEWS/20040225/140408/ ニュース：http://internet.watch.impress.co.jp/cda/news/2004/02/24/2203.html

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