Da informação nossa de cada dia à Ciência da Informação: conceitos, história, teorias e questões recentes

The work has as objective to produce a look about what we can think as a long history of information, what we think out from the most remote times until its conversion to the status of object of the Information Science (IS) in the second half of 20th century. Of theorical nature and keeping up itself by the literature in IS and in similar areas, a discussion is made about the concept of information to then to list names, happenings and theories that contributed in the passage of the domain of the daily life to the domain of the Science. From a distant past to the most recent happenings connected to the problem of the privacity of the citizens in the digital networks, it is verified in the history of information a closed relation with the power, reason that suggests the deepening of the studies in IS about the political and ethical issues in the contemporary society