In 1936, Walter Benjamin (1892-1940) accounted for the paradigm shift that mechanical reproduction meant for art and politics. For Benjamin, technological change was not merely a sign of uncomplicated, forward-thinking progress; it meant a profound transformation of the realm of human experience. In this account of the era Benjamin witnessed, the German philosopher and collector was also unknowingly predicting a time he personally would not experience: four decades later, these descriptions of his time are illuminating the reality of the present. Benjamin wrote that ‘the cathedral leaves its locale to be received in the studio of a lover of art; the choral production, performed in an auditorium or in the open air, resounds in the drawing ro...