It was new and innovative. Taking out-of-context objects and gluing them to a canvas and applying paint was a novelty.
Braque followed as did other artists and the trend has yet to falter. Photographs torn and juxtaposed was called art. Jerry Uelsmann made collages by exposing different negatives onto one sheet of photo paper.
India ink marks and doodles on tracing paper, torn and glued to a sheet of Arches drawing paper, run through a press on a sheet of copper plate with cardboard cut-outs and hand colored with oil pastels have made their way into pieces of collage art.