Assessment and management of real estate; Evaluation of real property; Land acquisition, namely, real estate brokerage; Leasing of real estate; Leasing of real property; Operating marketplaces for sellers of goods and/or services; Providing information in the field of real estate by means of linking the web site to other web sites featuring real estate information; Real estate acquisition services; Real estate agencies; Real estate brokerage; Real estate consultation; Real estate investment; Real estate listing; Real estate management; Real estate multiple listing services; Real estate procurement for others; Real estate services, namely, rental of vacation homes, condominiums, cabins, and villas using pay per click advertising on a global computer network; Real estate time-sharing