1) The document discusses key trends in customer data and analytics including increasing data volume, velocity and variety; consumers demanding personalization; the impact of mobile and IoT; and data science and machine learning going mainstream.
2) It highlights challenges like data silos and the need for integrated customer profiles to power personalized experiences across channels.
3) The use of predictive analytics at a fashion brand called Mavi is discussed, showing how predictive marketing helped reactivate 20% of lapsed customers and increase revenues by 7%.