provision of space on websites for advertising goods and services; online advertising on computer communication networks; online advertising on a computer network; provision and rental of advertising space on the internet; promoting the goods and services of others via a global computer network; advertising for others on the Internet; preparing and placing advertisements for others; online promotion of computer networks and websites; rental of advertising space on web sites; advertising services to create brand identity for others; procurement services for others [purchasing goods and services for other businesses]; compilation of information into computer databases; website traffic optimization; computerized file management; search engine optimization for promoting the websites of others; provision of an online marketplace for buyers and sellers of goods and services; retail store services; retail services provided by online department stores