New York University professor Scott Galloway returns to the podcast to talk with Recode’s Kara Swisher about his first book, “The Four: The Hidden DNA of Amazon, Apple, Facebook, and Google,” which comes out on Oct. 3. Galloway predicts that Amazon will launch a weekly auto-delivery service called Prime Squared to encourage its highest-value customers to buy more, and forecasts that the company’s next logical acquisition after Whole Foods would be the luxury department-store chain Nordstrom. He also talks about why companies want to be seen as politically progressive today, why Airbnb will be worth more than Uber and why, if you boil Apple’s brand down to one word, it's “sex.”

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