ACKNOWLEDGMENTS I would like to express my immense gratitude to the many people who have contributed to this book. First and foremost, I want to thank the incredible team at OpenAI, especially Sam, Greg, and Mira, for their groundbreaking work on the GPT-4 model. I am also deeply appreciative of the support and guid- ance provided by Satya, Kevin, and the Microsoft team. I must also acknowledge the contributions made by the many individuals who offered advice, feedback, and expertise along the way. The list includes, but is not limited to, Aria Finger, Ben Relles, Benjamin Kelley, Byron Auguste, Chris Yeh, DJ Patil, Dmitri Mehlhorn, Elisa Schreiber, Eric Strenger, Gina Bianchini, Greg Beato, Haley Albert, Heather Mack, Ian Alas, Ian McCarthy, Lucas Campa, Nancy Lublin, Rae Steward, Saida Sapieva, Sean White, Shaun Young, Steve Bodow, Surya Yalamanchili, and Zoe Quinton. Thank you all for your time, insights, and encouragement. - Reid Hoffman * * * I would like to thank Reid Hoffman for inviting me to co-author this book with him. Reid, your intelligence and foresight are truly impressive—no wonder you’re the one who came up with LinkedIn. (And hey, how many Reid 222