Providing information in the field of real estate by means of linking the web site to other web sites featuring real estate information; Providing information in the field of real estate via the Internet; Providing real estate listings and real estate information via the Internet; Real estate acquisition services; Real estate agencies; Real estate brokerage; Real estate consultancy; Real estate consultation; Real estate equity sharing, namely, managing and arranging for co-ownership of real estate; Real estate escrow services; Real estate financing services; Real estate investment; Real estate investment services in the nature of purchasing and selling of real estate for others; Real estate lending services; Real estate listing; Real estate management; Real estate management consultation; Real estate multiple listing services; Real estate services in the form of providing physical access to available properties via a remote call-in locking device; Real estate services, namely, providing an online questionnaire to help users determine the best neighborhoods and communities suited to their individual needs and preferences