Definition: A/B testing is a term for a randomized experiment with two variants, A and B, which are the control and variation in the controlled experiment. —Wikipedia
Why study this book? If you want to get an introductory knowledge about A/B Testing and be able to start running your initial tests without falling in the most common errors.
Why study this book? Even though this text is mainly focused for Websites, the same concepts can be applied to any kind of Software Product that has a UI. This book is aimed mostly at Marketing People, but all the concepts can be applied to Software Management.
Why use this tool? Allows to do more complex A/B tests. Not free.