Censorship refers to the supervision and control of information circulated within a society through examining various media like books, films, news reports etc. and altering or suppressing parts deemed objectionable.
Speech, art, books, films, plays, photography, television programs, radio programs, the internet and news reports are common targets of censorship. Censorship can be carried out by governments, churches and other groups. It is used to avoid offensive content but can also hide real information from the public, like in the Soviet Union. Self-censorship is also a form of censorship.
Effective marketing requires understanding censorship variations between countries and cultures due to religious and social norms. Content acceptable in some places may be