promoting the sale of multimedia audio/visual entertainment and information systems through the administration of incentive award programs; conducting incentive award programs to promote on the job quality or productivity; buying clubs; promoting the sale of goods and services of others through the distribution of printed or audio/visual materials and contests; direct mail advertising; product merchandising; public relations; conducting business and market research and surveys; arranging and conducting of trade shows and trade show exhibitions in the field of multimedia audio/visual entertainment and information systems