Providing an on-line computer database in the field of telephone, address and electronic mail contact directory information via a global computer information network; providing an on-line computer database featuring telephone, address and electronic mail contact directory information to assist users to locate former and current classmates, friends, family, colleagues, interest group members, acquaintances and military service personnel via a global computer information network; promoting the goods and services of others by placing advertisements in an interactive online publication accessed through a global computer information network