QR Codes are innovative and different tools to achieve interactive advertising campaigns. They have the potential to provoke customers to act - order, purchase, and share or recommend products or services. Many companies have begun to use QR codes just to show that they are familiar with new technologies and trends but they have not delivered the necessary content to their customers. Without a clear understanding of the place and role of QR codes and without analyzing the results, such companies are close to failure and might decide this technology is useless. In fact the technology has been successful but the companies have failed. The goal of this book is to help prevent this situation from becoming reality by offering information about QR codes as technology and potential mobile marketing. Here one could find useful information about tools for generating and scanning QR codes, examples of very successful marketing strategies, recommendations and verified Internet resources on the topic. The book should be especially useful to people who want to learn the essentials about QR codes and their place in the business world.