Standardization of IoT within 3GPP marked the beginning of a disruption for all service providers in the city. The talk goes through the history of IOT standards up to NBIoT and LTEM in 2016, then 5G in 2019. it describes the traditional value chain of cities operators, and show how the standard is impacting them now. it offers a prospective view about new business rules and opportunities to be seized quickly can be linked to "Autonomous infrastructures" and "3D cities"