To my wife, Fiona, and our beautiful daughters, Aoibhínn and Caoimhe—I thank you for your support and patience while I’ve been distracted by this book.

To my parents—thank you for buying our first family computer andsetting me on the course that led me to do what I love.— Maurice Kelly

Thanks to my peers, my friends, my family, and my partnerfor their enthusiastic support. Special thanks to my coauthor:May our Caoimhes live long, happy lives.— Joshua Nozzi

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