The world of marketing is constantly evolving, but understanding people? That will always be fundamental. Today, marketing expert Rebecca Messina joins David to share her biggest learnings from the 22 years she spent at Coca-Cola, what it was like to be Uber's first-ever CMO, and how she's applying both of those experiences to her work as a senior advisor at McKinsey. DC and Rebecca go deep on the importance of brand building and brand love, the psychology of marketing, and what it means to be a brand vs. an icon.