http://www.sharp.co.jp/ws/special/index.html http://www.willcom-inc.com/ja/lineup/ws/003sh/

http://plusd.itmedia.co.jp/mobile/articles/0510/21/news008.html

http://k-tai.impress.co.jp/cda/article/news_toppage/26175.html

http://www.itmedia.co.jp/news/articles/0510/19/news104.html