Toward embodied virtuality -- Virtual bodies and flickering signifiers -- Contesting for the body of information : the Macy Conferences on Cybernetics -- Liberal subjectivity imperiled : Norbert Wiener and cybernetic anxiety -- From hyphen to splice : cybernetic syntax in Limbo -- The second wave of cybernetics : from reflexivity to self-organization -- Turning reality inside out and right side out : boundary work in the mid-sixties novels of Philip K. Dick -- The materiality of informatics -- Narratives of artificial life -- The semiotics of virtuality : mapping the posthuman -- Conclusion : what does it mean to be posthuman?. Incluye índice