Marketing, advertising, and promotion services; Referral services in the field of business, marketing, advertising, brand development, sales, customer service, customer information, and customer relationship management; Promoting the goods and services of others via computer and communication networks; Providing online marketplaces for sellers of goods and/or services; Advertising and information distribution services, in particular, providing classified advertising space via the global computer network; Online advertising and promoting the goods and services of others via the internet; Promoting the goods and services of others by means of distributing newsletters, blogs and video advertising on the internet; Advertising, promotion, and marketing services in the nature of e-mail campaigns for others; Business monitoring and consulting services, namely, tracking web sites and applications of others to provide strategy, insight, marketing, sales, operation, product design, particularly specializing in the use of analytic and statistic models for the understanding and predicting of consumers, businesses, and market trends and actions; Compilation and systemization of data and information into computer databases in the field of marketing, sales and customer service; office functions, namely, administration and indexing of data and information for business purposes; business organization and management consultancy, namely, development of business concepts; business efficiency expert services; buying and selling of goods being procurement services, namely, purchasing of computer and software products and electrical and scientific products for others; Compilation of business directories, namely, providing an online commercial information directory of web properties not limited to business services, startups, investors, projects, prototypes, ideas, challenges, jobs, science fairs, events, trade shows and other professional listings; Marketing services in the nature of promotion of third-party goods by brand ambassadors; referral management and related matching services, namely, promoting the goods and services of others by passing business leads and referrals among group members; providing an on-line marketplace for buyers and sellers of goods and services for companies; employment recruiting, placement, staffing, and career networking services