Italian pornographic film star Rocco Siffredi poses with his wife Rosza Tassi as they attend the carpet for the movie "Rocco" at the 73rd Venice Film Festival in Venice, Italy September 5, 2016. REUTERS/Alessandro Bianchi 

Italian pornographic film star Rocco Siffredi poses with his wife Rosza Tassi as they attend the carpet for the movie "Rocco" at the 73rd Venice Film Festival in Venice, Italy September 5, 2016. REUTERS/Alessandro Bianchi 

Porn actresses take a break at the Venus erotic fair in Berlin, Germany, October 15, 2015. The event, which represents the erotic business in the German capital, is open till October 18, 2015. REUTERS/Fabrizio Bensch 

Porn actresses take a break at the Venus erotic fair in Berlin, Germany, October 15, 2015. The event, which represents the erotic business in the German capital, is open till October 18, 2015. REUTERS/Fabrizio Bensch 

Porn actresses line-up at the opening of the Venus Erotic fair, Germany, October 15, 2015. The event, which represents the erotic business in the German capital, is open till October 18, 2015. REUTERS/Fabrizio Bensch TPX IMAGES OF THE DAY

Protesters take part in a demonstration against new laws on pornography outside parliament in central London December 12, 2014. REUTERS/Stefan Wermuth (BRITAIN - Tags: ENTERTAINMENT POLITICS SOCIETY) 

Porn actresses line-up at the opening of the "Venus" erotic fair in Berlin October 17, 2013. The event, which represents the erotic business in the German capital, is open till October 20, 2013. REUTERS/Fabrizio Bensch (GERMANY - Tags: SOCIETY ENTERTAINMENT) 

Dildos and sex toys are displayed at a booth on the first day of the Eropolis erotic fair in Nice February 9, 2013. The two-day fair features new products in the sex and porn industry and pornographic shows. REUTERS/Eric Gaillard (FRANCE - Tags: SOCIETY BUSINESS) 

Visitors use their mobile phones to take pictures of a pornographic show on the first day of the Eropolis erotic fair in Nice February 9, 2013. The two-day fair features new products in the sex and porn industry and pornographic shows. REUTERS/Eric Gaillard (FRANCE - Tags: SOCIETY BUSINESS) 

An adult movie actress poses during a news conference in Monterrey August 29, 2012. Exotic dancers, strippers and adult movie actors and actresses from over 25 countries will present new trends of the erotic and porn industry at the four-day long "Sex and Entertainment 2012" fair.
REUTERS/Daniel Becerril (MEXICO - Tags: SOCIETY PORTRAIT) 

3D glasses are seen at the stand for an adult television programme during the MIPTV, the International Television Programs Market, event in Cannes April 3, 2012. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT BUSINESS) 

Visitors line up to attend the shooting of a live porno film during the Eropolis exhibition in Nice, southeastern France, October 1, 2011. Poster reads " Live X shooting" Exhibitors present new trends and sex toys of the erotic and porn industry at the two-day erotic fair . REUTERS/Eric Gaillard (FRANCE - Tags: SOCIETY BUSINESS) 

Fragments of destroyed pirated DVDs are seen on the floor during a campaign against the production and distribution of porn and pirated publications, at a photo opportunity inside a gymnasium in Beijing January 10, 2011. REUTERS/Grace Liang (CHINA - Tags: CRIME LAW BUSINESS IMAGES OF THE DAY) 

Journalists take photos as officials destroy pirated DVDs during a campaign against the production and distribution of porn and pirated publications, during a photo opportunity inside a gymnasium in Beijing January 10, 2011. REUTERS/Grace Liang (CHINA - Tags: CRIME LAW BUSINESS) 

Security guards stand next to pirated DVDs which will be destroyed during a campaign against the production and distribution of porn and pirated publications, during a photo opportunity inside a gymnasium in Beijing January 10, 2011. REUTERS/Grace Liang (CHINA - Tags: CRIME LAW BUSINESS) 

A visitor takes 3D glasses to look at an adult movie program during the annual MIPCOM television programme market in Cannes, southeastern France, October 4, 2010. The International film and programme market for TV, video, cable and satellite (MIPCOM) opens from October 4 to October 8 on the French Riviera. REUTERS/Eric Gaillard (FRANCE - Tags: ENTERTAINMENT MEDIA BUSINESS) 

Japanese adult actress Saori Hara (L) and actor Hayama Hiro rehearse an erotic scene during the making of "3D Sex and Zen" at a studio in Hong Kong August 13, 2010. The producers are hoping the erotic period drama based in ancient China -- which is expected to open in Asian cinemas next year -- will prove a titillating hit with 3D-glasses-wearing audiences and develop a lucrative, niche market for pornography productions in future. Picture taken August 13, 2010. To match Reuters Life! HONGKONG 3DPORN REUTERS/Bobby Yip (CHINA - Tags: ENTERTAINMENT SCI TECH SOCIETY BUSINESS) 

Japanese adult actress Saori Hara (2nd L) and actor Hayama Hiro (3rd L), both wearing 3D glasses, along with director Christopher Sun (4th L), watch a replay of their acting during the making of "3D Sex and Zen" in Hong Kong August 13, 2010. The producers are hoping the erotic period drama based in ancient China -- which is expected to open in Asian cinemas next year -- will prove a titillating hit with 3D-glasses-wearing audiences and develop a lucrative, niche market for pornography productions in future. Picture taken August 13, 2010. To match Reuters Life! HONGKONG 3DPORN REUTERS/Bobby Yip (CHINA - Tags: ENTERTAINMENT SCI TECH IMAGES OF THE DAY) 

Tila "Tequila" Nguyen poses for photographers at the 11th annual Maxim Hot 100 party in Los Angeles May 19, 2010. REUTERS/Phil McCarten (UNITED STATES - Tags: ENTERTAINMENT IMAGES OF THE DAY) 

Adult film star Mary Carey waves during the parade of eaters at "Wingbowl 18", the annual chicken wing eating contest in Philadelphia, Pennsylvania, February 5, 2010. About 18,000 people turned out before dawn on Friday for the 18th Wing Bowl, an eating competition dubbed the world's biggest, and an annual celebration of Philadelphia's raucous sports-crazed culture. Each competitor was attended by a posse of wingettes, scantily clad young women who fetched the wings and mopped the brows of the contestants to the delight of the overwhelmingly male crowd. To match Reuters Life! USA-WINGBOWL/ REUTERS/Tim Shaffer (UNITED STATES - Tags: SOCIETY ENTERTAINMENT) 

Porn stars Tarra White (L) and Jesse Jane pose for pictures at the official opening of Sexpo in Sydney October 29, 2009. Sexpo, an exhibition about sexuality and adult lifestyle will run from October 29 to November 1. REUTERS/Daniel Munoz (AUSTRALIA SOCIETY ENTERTAINMENT) 

Adult movie actress Axelle Parker poses during a photocall after a news conference to announce the Erotica Dream exhibition in Nice, southeastern France, October 1, 2009. The Erotica Dream exhibition is held in Nice from October 2 to 4. REUTERS/Eric Gaillard (FRANCE SOCIETY) 

Visitors take photos and videos of two performers during the 13th annual Erotica LA (ELA) at the Convention Center in Los Angeles June 14, 2009. The sexuality and lifestyle exposition runs June 12-14. REUTERS/Mario Anzuoni (UNITED STATES ENTERTAINMENT) 

Pornographic movie actor Shigeo Tokuda poses during the shooting of his latest film in Ichikawa, east of Tokyo, April 13, 2009. Tokuda is Japan's oldest pornographic movie star and is shooting his latest film in which he portrays a master of sex. REUTERS/Kim Kyung-Hoon (JAPAN ENTERTAINMENT SOCIETY) 

Visitors attend the yearly MIPTV, the International Television Programs Market, in Cannes, southeastern France, March 30, 2009. REUTERS/Eric Gaillard (FRANCE ENTERTAINMENT BUSINESS) 

A visitor takes pictures of an adult film actress while she performs during the Eros Show in the Bulgarian capital Sofia March 25, 2009. The show, which includes exhibitions of sex products, erotic films and live erotic performances, will run for four days. REUTERS/Stoyan Nenov (BULGARIA ENTERTAINMENT SOCIETY) 

A porn actress performs a striptease during the Erotica Dream exhibition in Nice, southeastern France, September 27, 2008. REUTERS/Eric Gaillard (FRANCE) 

Police try to arrest activists from All India Youth Federation (AIYF), the youth wing of the Communist Party of India, during a protest against the screening of obscene films in cinema halls in the southern Indian city of Hyderabad September 23, 2008. REUTERS/Krishnendu Halder (INDIA) 

A visitor takes pictures of an adult film actress during the Eros Show in the Bulgarian capital Sofia April 2, 2008. The show, which includes exhibitions of sex products, latest erotic films and live erotic performances, will run for four days. REUTERS/Stoyan Nenov (BULGARIA) 

Actress Jenna Jameson poses at the premiere of "The Bucket List" at the Cinerama Dome in Los Angeles December 16, 2007. The movie opens in Los Angeles, New York and Toronto on December 25. REUTERS/Mario Anzuoni (UNITED STATES) 

Jenna Jameson prepares backstage before the Heatherette 2008 collection during New York Fashion Week September 11, 2007. REUTERS/Eric Thayer (UNITED STATES) 

Shredded pornographic DVDs are seen on the ground during a ceremony to destroy pirated and pornographic material in Beijing April 14, 2007. China has launched its latest campaign against Internet pornography. Pornography was among the vices nearly wiped out in China under the strict and puritanical rule of Mao Zedong. But since economic reforms began and social controls have loosened, it has become more readily available. REUTERS/Claro Cortes IV (CHINA) 

Pornographic DVDs are displayed during a ceremony to destroy pirated and pornographic material in Beijing April 14, 2007. China has launched its latest campaign against Internet pornography. Pornography was among the vices nearly wiped out in China under the strict and puritanical rule of Mao Zedong. But since economic reforms began and social controls have loosened, it has become more readily available. REUTERS/Claro Cortes IV (CHINA) 

Dutch porn actress Zara Whites, born Esther Kooiman, lies on the pavement in packaging labelled 'flesh' to promote vegetarianism for People for the Ethical Treatment of Animals (PETA) outside the Agriculture Fair in Paris March 7, 2007. REUTERS/Benoit Tessier (FRANCE) 

Curtis Jang (R) wears stereoscopic glasses as he demonstrates a high definition adult 3D movie at the Ocean Mango booth during the AVN Adult Entertainment Expo in Las Vegas January 10, 2007. The South Korean company has also developed smaller LCD monitors that have a 3D effect without glasses, Jang said. REUTERS/Steve Marcus (UNITED STATES) 

Adult film actress Carmel Moore holds autographed "stress boobs" during the AVN Adult Entertainment Expo in Las Vegas January 10, 2007. The artificial breasts are signed by actresses and sold for $5 to raise money for breast cancer research. The B.a.b.e. foundation, a non-profit advocacy group, is organizing the fundraiser. REUTERS/Steve Marcus (UNITED STATES) 

An Indonesian worker checks pornography VCDs and pirated software at the police headquarter in Jakarta March 16, 2005. Police destroyed more than 60,000 pornography VCDs and pirated software and detained 98 people who took part in illegal sales in the Indonesian capital, police said. . REUTERS/Beawiharta BEA/PN/JV 

After a two-and-one-half-year investigation in which prosecutors examined 30,000 images seized from his home, actor Paul Reubens has pleaded guilty on March 19, 2004 to a single charge of possessing obscene material. The children's actor, who won fame as television's "Pee-wee Herman," was sentenced to three years of probation and ordered to keep away from children during that period. He also has to pay a $100 fine in what his lawyers said was a major victory. Reubens is shown in a November 2002 police booking photo. REUTERS/LAPD/HO SV