Social attitudes towards the discussion and presentation of sexuality have become more tolerant in Western countries, and legal definitions of obscenity have become more limited, notably beginning in 1969 with Blue Movie by Andy Warhol, the first adult erotic film depicting explicit sex to receive wide theatrical release in the United States, and the subsequent Golden Age of Porn (1969-1984), leading to an industry for the production and consumption of pornography in the latter half of the 20th century.The introduction of home video and the Internet saw a boom in the worldwide porn industry that generates billions of dollars annually.
Pornographic film production commenced almost immediately after the invention of the motion picture in 1895.
If dramatic skills are not involved, a performer in a porn film may also be called a model.
Various groups within society have considered depictions of a sexual nature immoral, addictive, and noxious, labeling them pornographic, and attempting to have them suppressed under obscenity and other laws, with varying degrees of success.
Before the English Act, the publication of obscene material was treated as a common law misdemeanour and effectively prosecuting authors and publishers was difficult even in cases where the material was clearly intended as pornography.
Although nineteenth-century legislation eventually outlawed the publication, retail, and trafficking of certain writings and images regarded as pornographic and would order the destruction of shop and warehouse stock meant for sale, the private possession of and viewing of (some forms of) pornography was not made an offence until the twentieth century.