business administration; business administration services; accounting; office functions; administration of businesses; administration of business affairs; personnel recruitment; accounting services; clerical services; promoting the goods and services of others; administrative processing of purchase orders; payroll preparation; secretarial services; document reproduction; business administration services for processing sales made on the internet; provision of an on-line marketplace for buyers and sellers of goods and services; updating and maintenance of data in computer databases; data processing; billing; selection of personnel