You've seen the Apple Geniuses. They're floating around in the Apple Store, helping customers, fixing problems, and making sales. Now it seems that a copy of Apple's Genius guide has been leaked, with instructions on the language that Geniuses should use. Which words and phrases do they employ, and which do they try to avoid? And can this information help you in your personal life? Linguist Daniel Midgley cracks the code on this episode of Talk the Talk.