I am grateful to the technical reviewers, Dimitris Andreadis, Stefano Maestri, Boles?aw Dawidowicz, and Mateusz ?urowski, for their insightful comments and thought-provoking suggestions. I would also like to thank Shweta Pant, Arun Nadar, Surabhi Kulkarni, and the whole Packt team that worked on the book. Finally, I would like to thank my family for their support during the writing process.