The political scene started to take advantage of this new medium and experimented with propaganda as well as filmmaking techniques. Post Russian Revolution (1918-1930s), filmmakers and film theoreticians such as, Dziga Vertov and Sergei Eisenstein, began analyzing films and exploring editing concepts that later became known as the Soviet Montage Theory. Vertov also began the kinoglaz movement – literally translates into “cinema-eye”, and focuses on recording everyday events in the building of the Soviet Republic. Man with a Movie Camera (1929) directed by Vertov is one of the most famous documentaries that came out from this era..