Lobbying services, namely, promoting the interests of international, real estate and nonprofit companies in the fields of politics, legislation, and regulation; Matching consumers with real estate professionals in the field of real estate services via computer network; Matching potential buyers to facilitate co-ownership of residential real property; Real estate advertising services; Real estate marketing services in the field of Commercial and Residential Real Estate; 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