Computerized on-line ordering featuring namely second hand, vintage and antique merchandise and second hand, vintage and antique consumer goods; exchange services, namely bartering second hand, vintage and antique merchandise and second hand, vintage and antique consumer goods of others; providing an on-line commercial information directory; providing a searchable database in the field of business information available via an Australian and 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; electronic auction services via the internet; on-line auction services; providing business information via a web site, namely in relation to 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"