This document discusses machine learning and how it is changing business and marketing. It provides definitions of key terms like artificial intelligence, machine learning, and deep learning. It then gives examples of how machine learning is used at Google in various products like Search, Gmail, Photos, Translate, and YouTube. It discusses how machine learning is used in Google advertising products and the demand marketing process in an AI/digital world. Key aspects discussed are using data like demographics, psychographics, time of day and user behavior to power applications of machine learning in areas like bidding, personalization, and measuring outcomes.