Today’s Daf Yomi pages, Shabbat 58 and 59, reveal some of the ancient rabbis' habits when it came to wearing brand-name clothes. Marco Greenberg, marketing and branding expert and the author of the new book Primitive: Tapping the Primal Drive That Powers the World's Most Successful People joins us to talk about the primordial power of logos, and why we still set so much store in our favorite brands. Is it better to be cool or warm? Listen and find out.