Providing computer databases regarding the purchase and sale of a wide variety of products and services of others; arranging business introductions relating to the buying and selling of products, including those online; sales promotion services, including for third parties; advertising, promotional and marketing services, including providing an online marketplace for third parties to advertise or promote their goods or services, of goods services for third parties by the transmission of advertising material and the dissemination of advertising messages on computer networks; advertising; organisation, operation and supervision of customer loyalty schemes; promoting the goods and services of others; organisation, operation and supervision of marketplaces for sellers and buyers of goods and services, including online marketplaces; providing assessments, ratings, and other feedback regarding integrity, performance, experiences with or conduct of participants in online marketplaces, including buyers and sellers of goods and services online; providing access to online databases for buyers and sellers; compilation of information into computer databases, including information regarding buyers and sellers of goods or services on an online marketplace; auctioneering services, including those provided online; on-line trading services; providing a secured access database via the Internet through which documents and images can be viewed, copied, and printed for purposes of buying or selling goods or services; business intermediary and advisory services in the field of selling products and rendering services