Cautionary Conversation: Steve Jobs hated his phone so much that he smashed it against a wall. He also referred to mobile carriers as "orifices". Yet he went on to invent the world's most popular smartphone. Why did he change his mind?

Tim Harford and organizational psychologist Adam Grant (Think Again, Hidden Potential) discuss the consequences of letting our ideas become part of our identity; when it's essential to adapt; and whether frogs really do stay sitting in slowly boiling water.