He takes the stage like a man who has solved the weather. Slides bloom behind him – hockey sticks and hockey sticks and hockey sticks. Every sentence starts with imagine. The audience nods. Some are live-tweeting. Some are checking whether their flight has been delayed. He says the word disruption like it is a gift he is unwrapping for the first time, every time. In the corridor afterwards, someone asks a question he was not prepared for. He smiles. Pivots. Gives the answer to a different question entirely.