Advertising services; classified advertising services including boat classified advertising services; advertising services on a global computer network; classified advertising services including boat classified advertising services on a global computer network; promoting the retailing of the goods and services of others in the fields of new and used boats, spare parts for boats, boat restoration and financial and insurance services, and editorial about new and used boats by placing advertisements in an electronic format accessed through a global computer network or via mobile or wireless technology; electronic billboard advertising in the field of boat sales and leasing; independent sales representative services in the field of boat sales and leasing; computerised database management in the nature of information storage and retrieval in the field of boat sales and leasing; providing shoppers' guide information in the field of boat sales and leasing; and referrals in the field of boat sales and leasing