They have ample means to do so: the immense data trail you leave behind whenever you place something in your online shopping cart at a store register, top economists and data scientists capable of turning this information into useful price strategies, and what one tech economists calls “the ability to experiment on a scale that’s unparalleled in the history of economics.”

他们有充裕的手段来做这件事：云数据会跟踪记录你的网上购物情况，顶尖的经济学家和数据科学家可以把这些信息转化为有效的价格制定策略，以及一位技术经济学家声称的，“以经济史上前所未有的规模进行实验的能力”。