Conducting marketing studies; business marketing consulting services; marketing campaign management services; developing and managing promotional campaigns for businesses; providing a platform for on-line payment processing and financial transactions; all provided by means of a global computer network; designing and managing incentive-based marketing programs; promoting the goods and services of others through customized sweepstakes programs by means of a global computer network; collection and management of data generated through promotional marketing programs; dissemination of advertising for others via an on-line electronic communications network; providing an on-line computer database in the field of promotional and event marketing; licensing of computer software