PowerPoint 1 1919 2 20 . 20 , . , 20 . , , . [ Surrealism ] , . . . , . . , , , , . () - . , . : , 1 - . . , . 2 (Salvador Dali, 1904~1989) . . . (Rene Magritte, 1898~1967) 1926 . . , . (Collage) . (Frottage) . (Decalcomanie) . . 3