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http://plusd.itmedia.co.jp/lifestyle/articles/0602/10/news032.html
http://techon.nikkeibp.co.jp/article/TOPCOL/20060209/113146/
http://japan.cnet.com/news/biz/story/0,2000050156,20096200,00.htm?ref=rss
http://mobiquitous.com/rfid/felica.html
http://itpro.nikkeibp.co.jp/article/COLUMN/20060209/228887/
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http://ascii24.com/news/i/mrkt/article/2006/02/09/660463-000.html
http://bb.watch.impress.co.jp/cda/news/12775.html
http://itpro.nikkeibp.co.jp/article/USNEWS/20060210/228945/
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http://www.itmedia.co.jp/news/articles/0602/09/news082.html