Advertisement for others on the Internet; Advertising services, namely, promoting and marketing the goods and services of others in the field of real estate via print and electronic media; Advertising services, namely, promoting properties for sale by owner via the Internet; Advertising and directory services, namely, promoting the services of others by providing a web page featuring links to the websites of others; Advertising of commercial or residential real estate; Advertising, marketing and promotion services in the field of real estate and contents; Advertising, promotion, and marketing services in the nature of lead generation activities for real estate professionals; Providing business planning and marketing solutions for real estate professionals; Providing demand creation and lead generation activities and services; Providing marketing services for real estate professionals; Providing real estate leads for prospective purchasers; Providing sales leads for the real estate industry; Providing space at a web site for the advertisement of the goods and services of others; Providing an interactive real estate website which promotes housing and apartment properties through offering prospective tenants video walk throughs, property descriptions, text, price, location, maps and other information that would be influential to a prospective tenant in making a rental decision; Real estate marketing services, namely, on-line services featuring tours of residential and commercial real estate; Online advertising and marketing services in the field of real estate via wireless networks for display on mobile devices