John Paul Mueller was a long-time tech author whose credits include previous editions of this book along with Machine Learning For Dummies and Algorithms For Dummies. Luca Massaron is a data scientist who specializes in organizing big data and transforming it into smart data. He is a Google Developer Expert (GDE) in AI and machine learning. Stephanie Diamond is a marketing professional and author of or contributor to over two dozen books, including Digital Marketing All-in-One For Dummies and Writing AI Prompts For Dummies.