Business and management assistance in the field of establishing and maintaining computerized private libraries; leasing time to an on-line interactive computer database in the fields of business, news, and the law, and maintaining the same; marketing services, namely, providing marketing data and analysis of same for others; [ promoting the goods and services of others by disseminating advertisements via the global communications network; ] providing a directory of information in the field of lawyers and legal services via the global computer network; economic and market research services; arranging and conducting business conferences and trade shows in a wide variety of fields; business acquisition and merger consultation services, namely, providing due diligence investigations; providing business information about fraud prevention via a global computer network; business consultation in the field of fraud prevention management and analysis; business investigations; computer services, namely, providing a computerized database containing information in the field of public relations, marketing and advertising; business information services, namely, automated skip tracing services and evaluation of marketing list data