Advertising of commercial or residential real estate; Analysis of market research data and statistics; Market research services; Marketing analysis services; Marketing services, namely, conducting consumer tracking behavior research and consumer trend analysis; Matching consumers with professionals in the field of real estate services and real property development; Matching consumers with real estate professionals in the field of real estate services via computer network; Providing a database featuring real property tax information; Providing and updating a financial index; Providing and updating a financial index of securities values and classification, analysis, and reporting thereof; Providing marketing services for real estate and real property development; Providing real estate leads for prospective purchasers; Real estate advertising services; Real estate marketing analysis; Real estate marketing services in the field of real property development; Real estate marketing services, namely, on-line services featuring the promotion of residential new construction, which also contains back office solutions for builders; Statistical analysis and reporting services for business purposes