35 On-line directory services, namely, providing an on-line index of hypertext links for the purpose of obtaining information in the fields of news, weather, sports, business, finance, technology, on-line services and information, politics, science, entertainment, leisure, vehicles, transportation, travel, health and medicine, government, state and local resources and information, art, literature, history, hobbies and pastime interests, shopping, reference sources, education, and links for children