2004-09-16 一昨日の勉強会についてURLメモ P2P http://internet.watch.impress.co.jp/cda/news/2004/09/15/4649.html http://www.itmedia.co.jp/enterprise/articles/0409/15/news003.html http://itpro.nikkeibp.co.jp/free/ITPro/NEWS/20040914/149922/ http://blog.livedoor.jp/geek/archives/6836961.html