The rise of the Internet in the late 1990s and early 2000s similarly changed the way pornography film was distributed and furthermore complicated the censorship regimes around the world and the legal prosecution of obscenity. It like associating every Christian with the zealots who cause anime hentai religious wars. Transsexual pornography features transwomen performers, who typically have male genitalia and augmented female breasts . Some do not use the diapers at all, for arousal, or bladder and bowel movements. Real enema shots or videos of true medical situations may violate privacy laws in some countries. A variation on this is to place the fingers and thumb on the penis as if playing a flute, and then shuttle them back and forth. Although interracial pornography theoretically can apply to depictions of sexual activity between performers of any different racial groups, the term is most commonly used for heterosexual sex acts between milf fuck black and white performers. A crush fetish is a fetish in which one is sexually aroused usually when someone crushes objects, food, and sometimes small animals with their body, usually under their foot, or when crushed oneself. First found in gay movies softcore movies and erotic thrillers, depictions of lesbianism entered mainstream cinema in the 1980s. BDSM actions can often take place during a specific period of time agreed to by both parties, referred to as play, a scene or a session. Starting with erotic stories and woodblock prints from before the 20th century, Japanese pornography evolved into distinct subcategories with the media that in addition of pornographic videos and magazines featuring live actors, there is exist categories of pornographic manga , pornographic computer games , and pornographic anime . It may be used as foreplay, or as an alternative to sexual penetration. 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.