Cristian Darie is a software engineer with experience in a wide range of modern technologies, and the author of numerous books, including his popularASP.NET tutorial book, his AJAX and PHPbook, and his forthcoming SEO book for PHP developers. Cristian is studyingdistributed application architectures for his PhD, and is getting involved with various commercial and research projects. When not planning to buy Google, he enjoys his bit of social life. If you want to say "hi," you canreach Cristian through his personal website at http: //www.cristiandarie.ro.