Pop art shows the insistence of commercial imagery in our world.
Monotonous repetition was one of the principles of form exploited first by the Pop artists. The blurring between art and real life in Pop art is more pronounced in the Happenings, which were a participatory art in which spectators, as well as artists, were engaged. Happenings have been defined as an assemblage on the move, bringing in motion, time, and spatial concepts. Left, Robert Rauschenberg, Monogram with Ram, 1955-59.