[Applause] Good morning. Good morning. We want to start off this TED talk with a quick survey of the audience.How many of you have ever watched your parents argue or discuss a uh f their finances or paying a bill. How many of you have ever heard your parents discuss or argue about a political issue. What about where to eat dinner.Okay, good. How about driving directions. What about a religious belief or idea.Okay, now you don't need to raise your hands for this one, but how many of you have ever heard your ...