computerized on-line ordering featuring general merchandise and general consumer goods; exchange services, namely bartering general merchandise and general consumer goods of others; providing an on-line commercial information directory; providing a searchable database in the field of business information available via a global computer network; providing a searchable on-line advertising guide featuring the goods and services of other on-line vendors; database management services; advertising services, namely providing advertising in the nature of on-line and electronic classified directories; providing a website featuring evaluative feedback and product ratings of consumer services of others in the field of rating sellers' goods and services, the value and prices of sellers' goods and services, buyers' and sellers' performance, delivery, and overall experience in connection therewith. Providing temporary use of on-line non-downloadable software for processing electronic payments; providing temporary use of on-line non-downloadable authentication software for controlling access to and communications with computers and computer networks;Advertising and advertisement services; promoting the goods and services of others by distributing advertising materials through a variety of methods including the global computer network and wireless devices