Retail ordering and sales services; ordering and sales by on-line computer, by mail order or by telephone of a wide variety of products including pharmaceuticals, nutritional supplements, and related products; 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 service of other on-line vendors; database management services;