35 marketing and advertising of vehicles for others; electronic billboard advertising in the field of vehicle sales and leasing; computerized data base management in the field of vehicle sales and leasing; information storage and retrieval in the field of vehicle sales and leasing; independent sales representative services in the field of vehicle sales and leasing; shopper's guide information in the field of vehicle sales and leasing; referrals in the field of vehicle sales and leasing; and promoting the goods and services of others through incentive award programs