Historical Who is Who
1911 - 1980
From his research in contemporary culture and technology, he concluded that the media of communication are even more determinative of civilisation than the information they convey. Thus printing and mass media create different human beings than existed before them. He would find the evidence from mobile phone and internet usage to elaborate this hypothesis.
'The Future of Man in the Electric Age' (16 mins) https://www.youtube.com/watch?v=0pcoC2l7ToI