Leasing or renting of buildings; Providing information in the field of real estate via the Internet; Real estate listing services for housing rentals and apartment rentals; Real estate agency services; Real estate consultancy; Real estate consultation; Real estate listing; Real estate rental services, namely, rental of residential housing; Real estate services, namely, rental of short-term furnished apartments; Rental of apartments; Rental of homes; Residential real estate agency services; Classified real estate listings of apartment rentals and housing rentals; Commercial and residential real estate agency services; Lease of real estate; Leasing of real estate; Providing real estate listings and real estate information via the Internet; Providing real estate listings via the Internet; Providing a database of information about residential real estate listings in different neighborhoods and communities; Providing a database of residential real estate listings within neighborhoods and communities specifically identified by users; Providing an Internet website portal offering information in the fields of real estate concerning the purchase and sale of new and resale homes and condos; 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 services, namely, rental of vacation homes; Rental of real estate