Providing content and geographical-based information based on the known or estimated geographical location of an Internet, mobile telephone or other wired or wireless digital network based customer; Providing a website featuring online non-downloadable software that provides geographic information, map images, public transit information, and trip routing; Providing temporary use of on-line non-downloadable computer software in the field of real estate for providing real estate listings and information, for contact management, for creating customized e-mails, for tracking and reporting website usage data, for chatting with customers and potential customers, and for managing online advertising