Also included in this category are game promotion sites and general game materials. Blocking of games is generally done because of the waste of time and resources involved. These sites contain graphic descriptions and depictions of sexual intercourse, masturbation and other sexual actions. Included in this category are prostitution, bestiality, scatology, fetish and masochistic sites. In addition to computer related, illegal activities, this category includes revenge taking techniques, bomb building and commercial term paper vendors.
Job sites provide access to job offerings and for submission of resumes.
These sites are optionally blocked for commercial operations where the management does not wish to provide the resources for the job searching activities of employees. Many joke sites fall into this category. In general offensive music lyrics are blocked for grade and middle school students. Web sites which offer dating services and other mechanisms for introducing Internet users to one another are blocked. These sites, like chat sites, are an avenue for preditor contact with children.