There is also some evidence that pornography can be used to treat voyeurism. Softcore gay pornography also exists; it at one time constituted the genre, and may be produced as beefcake pornography for heterosexual female and homosexual male consumption. This style of filming is in contrast to having a separate, third-person camera crew filming all the action. Commercialized pornography accounts for a nearly US0 billion worldwide industry for the production of various media and associated products and services. Since the 1980s, many practitioners and organizations have adopted the motto safe, sane and consensual, commonly abbreviated as SSC, which means that everything is based on safe activities, that all participants be of sufficiently sound/sane mind to consent, and that all participants do consent. Entacle erotica describes a type of pornography most commonly found in Japan which integrates traditional pornography with elements of bestiality and a fantasy, horror, or science-fiction theme. Even though the performers who perform gay twinks in these films typically appear on many reality websites within a short span of time, most of these websites claim that each of them is an amateur. Although pornography has usually focused on heterosexuality, due to the prevalence of the heterosexual orientation, explicit gay material has a long history as well, which hentai sex reaches back to Greek antiquity, if not to prehistory. Internal ejaculations, followed by images of semen dripping from the anus, are sometimes depicted in bareback gay pornography, where they are referred to by the term breeding or the reverse money shot. Saliva pornography involves salivation and saliva. The prostate gland is one of the organs that contributes fluid to semen. First found in softcore movies and erotic thrillers, depictions of lesbianism entered mainstream cinema in the 1980s. The concept of lesbian, to differentiate women with a shared sexual horny milfs orientation, is a 20th-century construct. Incest pornography can feature actual relatives, but the main type of this pornography simply uses actors of similar looks to suggest family relationship.
