speaking of important, we are joined once again by constance hunter, kpmg's chief economist.e next catalyst for productivity? is it robots, and if so, can we enjoy the same lifestyle? >> so there's all these people always afraid when new productivity or a new device comes on, are we going to have the same lifestyle? is i'm going to tell you two stories, really brief. first is when mills first came into being in massachusetts, people thought, oh, my god, what are we going to do? we're not going to have as many workers. but, in fact, what happened is you went from people having one or two pieces of clothing -- that's it, their whole wardrobe was two pieces of clothing -- to the costs coming down so much, the people now have wardrobes. people's closets today, can you imagine if you said to the average american, you have two pieces of clothing, that's it? your weekday clothes and your sunday best, that's it. so that completely changed the demand structure for clothes. second example, ipads. if i told you in march 2009, okay, five years there's going to be a product, it's going to