Story highlights Twitter has become a way for adult film stars to define themselves

Social media is helping the industry go mainstream, experts say

Many porn stars post mundane or funny tweets about their everyday lives

'Twitter is like an instant focus group,' says a social media strategist in the industry

Once relegated to sleazy red-light districts and the darker corners of the Internet, porn stars are now gaining followings in a surprising place: Twitter. They are using the social media site to engage directly with their fans and build their individual brands

"Twitter has opened up these porn stars fan bases like nothing the adult film industry has ever seen before," said Dan Miller, managing editor of XBiz, an adult industry trade publication. "Since most mainstream pop culture publications don't cover the porn industry (and) porn movie reviews don't generally appear alongside reviews of big Hollywood movies ... the adult industry has embraced Twitter as a way to reach out directly to fans beyond the typical porn consumer."

Miller estimates that 90% of porn performers are on Twitter, and he believes it is essential for new performers to use social media effectively to promote themselves and build their "brand."

"If you're not on Twitter, you are definitely at a disadvantage right out of the gate," he said.

Alexander Raymond Palumbo was one of the first executives in the adult entertainment business to embrace social media, first on Friendster, then Myspace and now on Twitter.

"Via our social media platforms like Twitter I'm trying to establish brand loyalty, like people have for a company like Disney," said Palumbo, a social media strategist at Digital Playground, an adult movie production company.

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Palumbo holds seminars for adult movie actors, helping them set up their accounts and guiding them on how to tweet in a way that will connect them to their audience by engaging directly with fans and showing some of their personal sides to their followers.

"I try to instill in performers that you should let people know who you are, invite them into your interaction," he said.

Palumbo begins his work day by logging onto Twitter to gauge reaction from the fans to his company's movies and performers. If viewers of a new movie trailer tweet that there is too much emphasis on male characters, Palumbo will make a call to the edit department asking for changes.

"Twitter is like an instant focus group," explained Palumbo. "It's not going to go away, it is the future. From our company's point of view, it's pure customer service."

Social media is profoundly changing the porn business, according to Chauntelle Tibbals, a visiting scholar at University of Southern California who studies the porn industry.

"Before it was about pure fantasy: you didn't have enough information to be real fans of performers," she said. "But now you can become a true fan of a porn star."

The performers who are successful on Twitter are the ones who open themselves up and share parts of their non-professional life with fans, allowing followers a window into their off-camera personalities.

"That kind of interaction is something you don't see mainstream celebrities doing to the same degree," according to Tibbals. "You don't see Angelina Jolie tweeting directly to people."

Many of the performers are surprisingly funny, smart and engaging on Twitter. While they all promote their movies, most focus more on their hobbies, current events and personal lives.

"You are seeing a different kind of relationship that a viewer has with a porn performer," Tibbals said. "One of the things that comes with social media is the deconstruction of stereotypes."

Social media has the power to change how the public views porn stars, according to Tibbals, and it may ultimately make porn more mainstream and socially acceptable.

Here are several adult film stars who are using Twitter to attract a wider audience:

The Boy Next Door: @JamesDeen

James Deen is arguably the hottest male performer in the porn industry. At 26 years old, he has already appeared in over 1,200 movies.

He has made a name for himself by defying stereotypes about male porn stars: he comes off as a funny, slightly goofy boy-next-door. His non-threatening demeanor has made his films popular with younger woman and has led him to more mainstream opportunities.

Photos: Porn stars who've gone mainstream Photos: Porn stars who've gone mainstream Porn actor James Deen co-starred with Lindsay Lohan in 2013's "The Canyons," playing Christian, a "film producer who enjoys filming his own three-way sex sessions," according to IndieWire. Deen had gained quite a fan following for his boy-next-door look and has been profiled by GOOD magazine and ABC's "Nightline." Take a look at some other adult movie stars who have transitioned into mainstream Hollywood. Hide Caption 1 of 7 Photos: Porn stars who've gone mainstream Sasha Grey made her entrance in the pornographic film industry just after she turned 18. By 21, she had become a veteran and won several Adult Video News awards . In 2008, Steven Soderberg cast Grey in the feature film "The Girlfriend Experience." Since then, she has starred in "Smash Cut," modeled for American Apparel, started an industrial music group and even had a brief supporting role in "Entourage" in 2010. In April 2011, Grey announced her retirement from porn and is scheduled to appear in several upcoming films Hide Caption 2 of 7 Photos: Porn stars who've gone mainstream Ron Jeremy, also known as "The Hedgehog," is considered one of the most successful porn stars in the industry. Adult Video News even named him the No. 1 porn star of all time. While Jeremy holds the Guinness World Record for starring in more than 2,000 adult films, he has also starred in mainstream movies such as "The Boondock Saints" and "The Chase." In 2008, he released a book about his career, "The Hardest (Working) Man in Showbiz: Horny Women, Hollywood Nights & The Rise of the Hedgehog!" He spoke with CNN about his return to work after a heart scare. Hide Caption 3 of 7 Photos: Porn stars who've gone mainstream Before Jenna Jameson starred in her first pornographic film in 1993, she had been a dancer at a strip club and had posed in Hustler, Penthouse and Cheri. By 1996, she had become a well-known star and got a minor role in Howard Stern's feature film "Private Parts." Since then, this former " queen of porn " has done guest voice-over work for "Family Guy," released a New York Times best-selling autobiography and created a horror comic book. Hide Caption 4 of 7 Photos: Porn stars who've gone mainstream Traci Lords was underage when she appeared in her first pornographic movie. She went on to make more than 100 adult films by the time she was 18 and even stripped for Penthouse magazine. Lords was eventually arrested, and many of her "hits" became illegal. She left the industry and would go on to appear in B-movies and TV shows such as "Roseanne," "Melrose Place," "Married... With Children," "MacGyver" and "Gilmore Girls." Lords also had roles in movies "Virtuosity" and "Blade." Hide Caption 5 of 7 Photos: Porn stars who've gone mainstream Jenna Haze broke into the pornography industry in 2001 at the age of 19. She went on to win numerous adult film awards, including multiple female performer of the year awards. In 2007, Haze had a small role in "Superbad" and then launched her own production company in 2009. She announced her retirement in 2012. Hide Caption 6 of 7 Photos: Porn stars who've gone mainstream Ginger Lynn got her start in pornographic movies in the mid-1980s. Around the early '90s, she quit and made appearances in several B-movies and mainstream ones such as "Young Guns II" with Kiefer Sutherland and Emilio Estevez. In 1999, Lynn returned to the adult film industry and starred in a porn film with James Deen in 2008. She has been ranked No. 7 in Adult Video News' greatest porn stars of all time list. Hide Caption 7 of 7

Deen credits Twitter with helping his transition to mainstream films.

"I think a lot of the mainstream thing has to do with Twitter," he told CNN. "People look at me and they say, 'He's not a porn star, he's just a nice guy."

His approach to Twitter is simple: be yourself.

"I like to keep my Twitter very personal and used as a random outlet for my feelings," Deen said. "I see no reason to be involved except to be myself."

Despite his non-commercial approach to Twitter, he said being an effective tweeter is an essential part of his business.

"The way the world is going, you have to be able to communicate with your market, know about your demographic, know what people are clicking on and then communicate back to them," Deen said.

The Internet's Girlfriend: @danadearmond

Dana DeArmond describes herself as a "pornographer of the people" and is one of the most accessible adult performers on Twitter. She responds to most of her followers who post a comment or question, often with a smart-alecky remark.

"People like to laugh and they like to know that people who are sex workers can also be smart and funny," said DeArmond, who occasionally performs stand-up comedy around Los Angeles.

Dana DeArmond uses humor to make a personal connection with her Twitter fans.

DeArmond, 33, says the porn world is extremely competitive and she uses Twitter to differentiate herself from other performers by interacting directly with her fans.

"I've developed the moniker 'the Internet's girlfriend' and tried to make a more personal connection with the people who found me and followed me," she said. .

"It's something I've used in my branding. It's like 'OK, if you don't have a real girlfriend you can pretend I'm your girlfriend on the Internet and I won't treat you like a customer.' That's how I brand myself."

DeArmond describes the porn industry as an "ever-changing animal": viewers' relationship with the product and their expectations of the performers are "constantly evolving and now requires a much more personal approach by performers."

"Porn is not a utilitarian thing; if it were there would already have been enough porn made forever," she said. "People have a connection to it and Twitter helps me make that connection."

The Smartest Woman in Porn: @Kayden_Kross

Perhaps the most surprising porn figure to emerge on Twitter is Kayden Kross. With her dyed blonde hair and pouty lips she certainly looks the part of an adult film star. When she's not making porn movies, Kross tweets about her very non-pornographic passions: books and horses.

"People seem to be surprised with the things I'm into," she told CNN.

Kayden Kross credits Twitter with her success in the adult film industry and beyond.

She often tweets about her favorite authors, David Foster Wallace and Don DeLillo. Between shoots in the San Fernando Valley, she travels to New York where she is taking a series of writing classes with legendary editor Gordon Lish, noted for his work with authors Raymond Carver and Richard Ford.

"The porn people could care less who I'm reading," Kross said. "I have a slim sliver of fans based on a common passion for books and the written word. Those are who I interact with."

She is working on a novel set in the world of porn and posts essays on her website and tweets them out to her followers.

"If you're interacting with people, you're putting part of your soul into it," she said. "The people that understand me the best are people into writing."

Back in Los Angeles, Kross enjoys spending time with her horses. In April, her mare Regina gave birth and Kross tweeted throughout the process, posting pictures and even asking her followers to help name the foal. Despite the situation having nothing to do with her porn life, her Twitter followers were with her all the way, tweeting congratulations and piping in with suggestions for names. She ultimately settled on the name Maya.

Although many of her tweets are on her hobbies, Kross says that Twitter has been the key to her success in the porn world.

"I was largely unsuccessful up until Twitter came along because I'm very shy ... and it came through in my movies," she said. "But with Twitter, people see a different side of me and they see it in my movies."

Twitter allows Kross to defy people's preconceived notions of what porn stars are like and be more comfortable both on camera and off.

"Twitter has made me more confident as a person and a performer," she said.