Auctioneering; computerized on-line ordering featuring antique merchandise; providing an on-line commercial information directory; providing a searchable database in the field of business information available via a global computer network; dissemination of advertising for others via an on-line electronic communications network; providing a searchable on-line advertising guide featuring the goods and services of other on-line vendors; database management services; automated and computerized trading of goods and services for others provided over a global communication information network; commodity trading for others; the bringing together, for the benefit of others, of a variety of goods (excluding transport thereof) enabling customers to conveniently view and purchase those goods; classified advertising services.