premise: Jenna Jameson started acting in erotic videos in 1999.
hypothesis: Jenna Jameson . She started acting in erotic videos in 1993 after having worked as a stripper and glamor model . Initially a single website , this business expanded into managing similar websites of other stars and began producing sexually explicit videos in 2001 . Jameson has also crossed over into mainstream pop culture , starting with a minor role in Howard Stern 's 1997 film Private Parts .