Michael Juntao Yuan is a researcher, software developer, author, Java and OpenSource advocate. He is currently a research associate at the Center for Research in Electronic Commerce at the University of Texas at Austin. He has published extensively in technology and developer journals. Michael is a JavaWorld columnist for the Wireless Java column. Michael has won the grand prize of NexTel/Sun/Motorola's national J2ME application contest for 2003 and will use his winning project as an example in the book. Read Michael Yuan's technology articles; http://www.enterprisej2me.com/articles.php.