42 Computer services in the nature of customized web pages and other data feed formats featuring user-defined information; Computer services, namely, creating an on-line community for registered users to list real estate for rent and lease.; Computer services, namely, hosting an interactive web site that allows individuals to search for and locate residential real estate and vacation rentals.; Providing a web site featuring technology that enables users to list and search for residential real estate and vacation rental properties by property type, price, floor plan, location, and amenities.; Providing a website featuring a search engine for individuals to search and locate apartments, vacation rentals, condominiums, single family residences, and other housing units.; Providing an interactive website featuring technology that allows users to list apartments, condominiums, vacation properties, single family residences, and other housing units for prospective renters to then search for and locate