Providing temporary use of non-downloadable computer software for creating, managing, tracking, and measuring online marketing and advertising campaigns and online listings, namely, software designed to assist web site owners in generating lists of permission-based electronic mail addresses and other customer information, and in creating, scheduling, and distributing customized electronic mail communications, newsletters, announcements, event information, surveys, donation campaigns, social media campaigns and promotions, and analyzing and reporting of campaign results, and customer and sales data