Glamour photography or startled by the viewer. The subject would usually have an expression of delight which seemed to invite the viewer to come and play. During World War II pin-up pictures of scantily clad movie stars were extremely popular among American servicemen. Betty Grable was one of the most famous pin-up models of all time; her pinup in a bathing suit was extremely popular with World War II soldiers. In December 1953, Marilyn Monroe was featured in the first issue of "Playboy" magazine. Bettie Page was the Playboy Playmate of the Month in January 1955. "Playboy" was the first magazine featuring
Playboy to "Vanity Fair" as opposed to more traditional competitors "GQ" and "Maxim". Playboy announced in February 2017, however, that the dropping of nudity had been a mistake, and furthermore for its March/April issue reestablished some of its franchises, including The Playboy Philosophy and Party Jokes, but dropped the subtitle "Entertainment for Men" inasmuch as gender roles have evolved. The announcement was made by the company's chief creative officer on Twitter with the hashtag #NakedIsNormal. In 2017 the magazine announced it would become a bi-monthly publication. In early 2018, and according to Jim Puzzanghera of the "Los Angeles Times", "Playboy" was