Last 16, 17 , 18 of May 2019 was organized in Paris the international tech event VIVATECH 2019. Many big companies such L’Oréal, Huawei, Google, Facebook, Orange were present and organized many conferences. Also massively present tech startups, mainly European ones. Amazing tech applications were presented s in all domains, from well-being, make-up, to ehealth, finance, self driving card or flying cars. But all were focused on customer experience and customization, and employee experience. Humans are the great challenge for all digitization projects.