Efficient online processing has never been more important and in demand than today. This book is the first practical guide to programming intelligent applications for Web 2.0. Here you will find everything you need to learn how to create self-learning Python programs that can collect and analyze huge amounts of data available on the Web. You will learn to use machine learning algorithms, adapting them to your own needs. To master the material presented, you will not need any special knowledge about data analysis, machine learning or mathematical statistics.