This industry comprises establishments primarily engaged in (1) publishing and/or broadcasting content on the Internet exclusively or (2) operating Web sites that use a search engine to generate and maintain extensive databases of Internet addresses and content in an easily searchable format (and known as Web search portals). The publishing and broadcasting establishments in this industry do not provide traditional (non-Internet) versions of the content that they publish or broadcast. They provide textual, audio, and/or video content of general or specific interest on the Internet exclusively. Establishments known as Web search portals often provide additional Internet services, such as email, connections to other Web sites, auctions, news, and other limited content, and serve as a home base for Internet users. Illustrative Examples: Internet book publishers Internet sports sites Internet entertainment sites Internet video broadcast sites Internet news publishers Internet periodical publishers Internet radio stations Internet search portals Web search portals Internet search Web sites Internet social networking sites Cross-References. Establishments primarily engaged in--