Real estate advertising services; Real estate marketing analysis; Real estate marketing services; Real estate marketing services in the field of condominiums, apartments, luxury apartments, homes.; Real estate marketing services, namely, on-line services featuring the promotion of residential new construction, which also contains back office solutions for builders; Real estate marketing services, namely, on-line services featuring tours of residential and commercial real estate; Real estate sales management; Advertising of commercial or residential real estate; Matching consumers with real estate professionals in the field of real estate services via computer network; Matching consumers with professionals in the field of real estate.; Membership club services providing discounts to members on real estate commissions and mortgage fees; Providing real estate leads for prospective purchasers; Providing an interactive real estate website which promotes housing and apartment properties through offering prospective tenants video walk throughs, property descriptions, text, price, location, maps and other information that would be influential to a prospective tenant in making a rental decision