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The scale of the future does not have numbers or dials. It won't even tell you how much you weigh. It doesn't have a screen to display your weight because, if you ask behavioral economist at Duke University Dan Ariely, weight is a metric of the past. 未来的体重秤没有数字和表盘，不会告诉你有多重，甚至它连显示体重的屏幕都没有。如果你想知道原因的话，杜克大学的行为经济学家Dan Ariely会告诉你，体重只是一个关于过去的测量数值。 Ariely has spent his career researching the invisible machinery of human choice: why we neglect to save money for things we need we know, why we lie to our friends, and to ourselves. Airely一直致力于探求人们决策过程的不可见机制：为什么我们会忘记为那些必需品存钱，为什么我们会欺骗朋友、欺骗自己。 Recently, he's turned his focus toward the choices we make about our health. Why, Ariely wondered, do people have such a hard time making healthy choices? 最近，他开始研究与健康相关的抉择。Ariely想知道，为什么做出健康的选择这么难呢？ Ariely imagines the common bathroom gadget as a gateway to better understanding our health, a way to subtly reshape human health behavior one pound at a time. But in order to do that, Ariely wants to rethink the scale's design. Ariely认为，通过浴室里一个常见的小物件，可以更好地了解人们的健康状况。这是一种塑造健康行为的巧妙方法。为了达到这一需求，Ariely想要重新设计一款体重秤。 | 
