Pornographic magazine While the 1940s images focused mostly on legs, by the 1950s, the emphasis shifted to breasts. Betty Grable and Marilyn Monroe were two of the most popular pinup models. Marilyn Monroe continued to be a popular model for the men's magazines in the 1950s. The 1950s saw the rise of the first mass-market softcore pornographic magazines: "Modern Man" in 1952 and "Playboy" in 1953. Hugh Hefner's "Playboy" started a new style of the men's glossy magazine (or girlie magazine). Hefner coined the term centrefold, and in the first edition of his "Playboy" used a photograph of a nude Marilyn Monroe,
Playboy coincidentally, a cropped image of the issue's centerfold (which featured Lena Söderberg) became a de facto standard image for testing image processing algorithms. It is known simply as the "Lenna" (also "Lena") image in that field. In 1970, "Playboy" became the first gentleman's magazine to be printed in braille. It is also one of the few magazines whose microfilm format was in color, not black and white. Playboy's iconic and enduring mascot, a stylized silhouette of a rabbit wearing a tuxedo bow tie, was created by "Playboy" art director Art Paul for the second issue as an endnote, but was