Richard Brautigan, the great hippy writer, envisaged a “cybernetic meadow” in which “mammals and computers live together in mutually programmed harmony”.

“Deus Ex: Mankind Divided” is set in a time after a global incident caused all humans with cybernetic implants to lash out with unspeakable violence.

His more nuanced model of motor responses amounted to a fully fledged theory of cybernetics, decades before Norbert Wiener coined the term in 1948.