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 the magazine. On July 15, "Penthouse" owner FriendFinder Networks Inc. offered $210 million (the company is valued at $185 million), though Hefner, who already owned 70 percent of voting stock, did not want to sell. In January 2011, the publisher of "Playboy" magazine agreed to an offer by Hefner to take the company private for $6.15 per share, an 18 percent premium over the price of the last previous day of trading. The buyout was completed in March 2011. In October 2015, Playboy announced that starting with their March 2016 issue, the magazine would no longer feature full frontal nudity.