Adriaan de Jonge is a consultant for Xebia IT Architects in The Netherlands. Adriaan specializes in Internet, content management, and Java. He is interested in new technologies like MongoDB, Node.js, HTML5, and various cloud computing platforms. Adriaan is also the author of Essential App Engine (Addison-Wesley, 2012) and several articles for IBM developerWorks on Java, XML, and Internet technologies. He was a conference speaker at JFall 2011 and the Scandinavian Developer Conference in 2012.