The internet

As Americans become increasingly computer literate, they are discovering an unusual and exploding repertoire of pornographic imagery on computer networks. Every time consumers log on, their transactions assist pornographers in compiling databases of information about their buying habits and sexual tastes. The more sophisticated computer pornographers are using these databases to develop mathematical models to determine which images they should try to market aggressively. They are paying close attention to all forms of paraphilia, including …

…a computer enables consumers to conceal them from family members, friends, and associates. Fourth, the prevalence and fear of AIDS and other sexually transmitted diseases has helped pornographers to successfully market "modem sex" and autoeroticism as "safe" and viable alternatives to the dangers of "real" sex. Finally, new and highly advanced computer technologies are quickly being absorbed into the mainstream, permitting an ever-expanding audience to gain access to digitized pornography available on the "Information Superhighway."