For your leisure reading.
http://www.computerworld.com/action/article.do?command=viewArticleTOC&specialReportId=9000100&articleId=112360
http://www.computerworld.com/action/article.do?command=viewArticleTOC&specialReportId=9000100&articleId=112368
文章来源:http://www.blogjava.net/sean/archive/2006/07/15/58304.html