The digital culture is profoundly transforming all the practices and knowledge of humanity, and the Brazil of the first Lula government (2003-2010) played a central role in this process. As Richard Barbrook, a leading expert in the field, has said, Brazil has "for the first time placed the southern hemisphere at the center of the debate on digital technologies. Cultura digital.br, by giving voice to important Brazilians who were active in the area during that government, on topics such as politics, economics, structure, art, communication, and memory in the digital context, becomes an indispensable book for all those who wish to actively think about the issues and potentialities of our time.