This book is one of the results of the III International Seminar on Research on Mediatization and Social Processes held in 2019. The III International Seminar on Research on Mediatization and Social Processes had a program developed on two levels: Debate Tables, with invited researchers (five discussion tables, with the participation of researchers from France (3), Argentina (2), Germany (1), and Brazil (5). The schedule of the III Seminar and its structure can be seen at https://www.midiaticom.org/seminario-midiatizacao/grade-de-programacao-2019/.