Sergio Amadeu da Silveira 
Democracy and invisible codes 
How algorithms are modulating behaviors and political choices

The series features in this fifth title the work of the professor and sociologist Sergio Amadeu da Silveira on the social implications of the technological development of algorithms. The author discusses the relationship between the advance of digital systems based on algorithms and the democratic debate. In an effort to understand how digital networks organize our daily lives, Amadeu looks into the role of algorithms in mediating and modulating public opinion. Citing key authors and practical examples, the book is organized into chapters such as ‘Democratic theory and the information society, ‘ ‘Freedom of speech and freedom of viewing, ‘ and ‘Can algorithms serve democracy?’ The Digital Democracy series is published in Portuguese and English exclusively in digital format.

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Sergio Amadeu da Silveira is a professor at the Federal University of ABC and a sociologist with a Ph D in Political Science from the University of São Paulo. He researches the relationships between technology, culture and power and has investigated control society, network activism, hacker culture and collaborative mobilization in defense of the common good. He is a former member of the Brazilian Internet Steering Committee in Brazil, author of Everything about Every@ne: Digital Networks, Privacy and the Personal Data Trade (2017) and editor of the Digital Democracy series.