Platform as a service (PaaS) and Software as a Service (SaaS), all featuring software for creating guest segments and creating and sending marketing communications in connection with virtual and physical retailer and restaurant services; Providing temporary use of online non-downloadable computer software for use in analyzing marketing communications and guest information in connection with retailer and restaurant marketing, sales, promotion, and other marketing activities; Providing temporary use of online non-downloadable software for guest segmentation and marketing optimization for virtual and physical retailers and restaurants; Providing temporary use of online non-downloadable computer software for customer relationship management (CRM), automating electronic mail, and for conducting SMS marketing campaigns