Playboy is an American adult entertainment magazine, founded in 1953 by Hugh Hefner and his associates, which has grown into Playboy Enterprises, Inc., reaching into every form of media. Playboy is one of the world's best known brands. In addition to the flagship magazine in the United States, special nation-specific versions of Playboy are published worldwide. Playboy also delivers hardcore pornography through its television entity, Spice Network.

CKM is a family of cultural semi-erotic monthly magazines for men, focused mainly on entertainment and factography. It encompasses editions in Poland and Hungary. The written tone is outspoken, provocative, at the same time finding humour and dealing with the most serious issues. The Polish edition and Hungarian edition was launched in 1998. There is also a CKM - Serbian edition, launched in September 2003.