The Ringer's Molly McHugh talks to former Taxi Magic founder George Arison about making one of the first ride-hailing apps (5:00), Harry Campbell, 'The Rideshare Guy,' about the culture and business behind Lyft and Uber (17:00), Victor Luckerson about self-driving cars (32:00), and transportation advocate Sunday Parker about her optimism for autonomous cars (42:00).