The sex industry is the industry formed of commercial enterprises which employ sex workers. What they offer is called adult entertainment, as it comprises a number of forms of entertainment not considered suitable for children. A sex worker is anyone who earns money by providing sexual services. ... Entertainment is an amusement or diversion intended to hold the attention of an audience or its participants. ...

The sex industry represents a large portion of the world's economy, and has been credited with driving technological advances in popular media, such as the home video and live streaming video on the internet. The vast majority of the sex industry provides for heterosexual men, with homosexual men being the second largest consumers. In many countries, the sex industry operates in a grey area between legality and illegality. Advocates of the sex industry argue that it educates people about sexuality and sexual health and that it sells a product in high demand. They argue that driving the industry underground creates or worsens problems with the industry. Opponents of the industry argue that it is exploitative (particularly of young women), that it is morally damaging to society, and that cheapens sex and encourages sexual objectification of women. The home video business rents and sells videocassettes and DVDs to the public. ... Streaming media is media that is consumed (read, heard, viewed) while it is being delivered. ... This article discusses the economic concept of exploitation. ... Sexual objectification is the act of treating and judging a person with values generally appreciated in animals or objects (eg. ...

Categories of sex industry:

• Striptease
• Live sex show: a performance on stage where the performers carry out sexual activities.
• Peep show
• Pornography
• Prostitution
• Erotic massage
• Sex shop
• Telephone sex
• Auto-erotic performance

A sex theatre may feature striptease, live sex shows and/or pornographic movies. A striptease is a performance, usually a dance, in which the performer gradually removes their clothing for the purposes of sexually arousing the audience, usually performed in nightclubs. ... A sex show is a form of pornographic performance, where the customers pay to see live persons perform sexual activity. ... A street musician with accordion in Bremen A performance comprises an event in which generally one group of people (the performer or performers) behave in a particular way for the benefit of another group of people (the viewer or viewers, or audience). ... Sexual behavior is a form of physical intimacy that may be directed to reproduction (one possible goal of sexual intercourse) and/or to the enjoyment of activity involving sexual gratification. ... A sex show is a form of pornographic performance, where the customers pay to see live persons perform sexual activity. ... Pornography (from Greek πορνογραφία pornographia — literally writing about or drawings of harlots) (also informally referred to as porn, porno, and more recently, pr0n) is the representation of the human body or human sexual behaviour with the goal of sexual arousal, similar to, but (according to some) distinct from, erotica. ... Prostitution is the sale of sexual services, such as oral sex or sexual intercourse, for money. ... Erotic massage is the use of massage techniques for erotic purposes. ... A sex shop is a shop that sells products such as sex toys, pornography, erotic lingerie, erotic books, and safer sex products such as condoms and dental dams. ... Phone sex refers to sexually explicit conversation between two or more persons via telephone, especially when at least one of the participants masturbates or engages in sexual fantasy. ... An auto-erotic performance is adult entertainment performance consisting of the act of an individual masturbating to climax on a stage for the entertainment of a crowd of people. ... Pornographic movies appeared shortly after the creation of the movie technology that made them possible. ...