In the era of the permanent connection and the social network, the authors paint a remarkable picture of a phenomenal revolution which is hard to imagine limits. Which is based on new empires, the giants of the digital accumulation, the GAFA - Google, Apple, Facebook and Amazon. And new laws: Customers are the products. Gratuity is preordained. The value lies in the experience. Buy does not mean to possess ... "There are more virtual or réèl. Everything is réèl ..." A masterful synthesis!