This videotutorial will show you how to create web-apps using Node.js and MongoDB. There are many languages available which can be used to program web applications but Node.js is the most powerful. The reason is that Node.js enables you to create a whole web application by using a single programming language : Javascript.
Node.js enables you to create frontend as well as backend with Javascript only, so that you don´t have to worry about learning multiple languages. Take this videotutorial and see how easy and funny it's to create web application.