Advertising is a huge part of the economy and something we all experience everyday through various mediums. In this episode, Nilay Patel talks with Cadillac CMO Melissa Grady about how advertising has been reinvented by technology — from data-driven insights to new social media platforms to the role of influencers in marketing. They also unpack how modern advertising works and where it's headed in the future. Learn more about your ad choices. Visit podcastchoices.com/adchoices