“…(a) The great disparity of resources and infrastructure between cities means that a significant portion does not have the capacity to implement the concepts of smart cities, and those that started this process are in the situation highlighted by [45], to coexist, each in its own evolution phase (Smart City 1.0, 2.0 and 3.0). (b) Even today conditions persist that some researchers [95,133] have found, that the urban expansion planning of the emerging metropolises of Latin America and, consequently of Brazil, was strongly influenced by the models and philosophies of existing urbanism in Europe and North America, which influenced generations of architects and city planners, whose ways of thinking and producing the design of Brazilian cities, allowed barriers, especially invisible ones, to continue separating the richest areas from the most poor, often without basic infrastructure and services. (c) Several researchers [23,25,130,[134][135][136] have found that in Brazil, as in most of the cities in developing countries, informal housing with uneven spaces, insecure land tenure, poor infrastructure and mobility and situations of social and political vulnerability still persist.…”