and attempting to have them suppressed under obscenity laws,
censored or made illegal.
Such grounds, and even the definition of pornography, have
differed in various
Social attitudes towards the discussion
and presentation of sexuality have become more tolerant in
, and legal definitions of obscenity have become
more limited, beginning in 1969
sexual intercourse to receive wide theatrical release
in the United States.
It was followed
by the Golden Age of Porn (1969–1984), in which the best quality pornographic
in the latter half of the 20th century.
saw a boom in the worldwide porn industry that generates billions of dollars annually.
 Commercialized pornography accounts for over
US$2.5 billion in the United States alone,