Yesterday I was walking in London WC1 when I saw an advert for the new iPhone 6 on a building facade. Above the advert a man was suspended by ropes; he was tiny in comparison to the phone. This reversal of scale reminded me of something – images employed by the Soviet filmmaker Dziga Vertov the Soviet in his iconic 1929 silent film Man With A Movie Camera. Here’s an example of Vertov’s imagery: