Impressionism
... In its day, Impressionism was considered a radical departure from tradition. Looking back, we can see that impressionism was more than a departure; it changed the very nature of the way people think about art. ... This independence was reflected in the art market Perhaps no invention of the 19th century influenced Impressionism more than the camera. ... One key to Impressionism’s popularity, it has been written, is that the artist often put the viewer in the position of someone on holiday enjoying a beautiful scene. ... The rough, brilliant paintings of Impressionism were a drastic departure from the slick, highly finished canvases of Academic painters.