Computer software services, namely, hosted software services featuring software as a service (SAAS), application service provider (ASP) services and application programming interface (API) services for providing customizable digital messaging and interactive transactions on digital displays; computer software services featuring software for authoring, creating, downloading, transmitting, receiving, editing, extracting, encoding, decoding, displaying, storing and organizing text, graphics, images, videos, messages, notifications, and electronic publications on digital displays; providing search engines and user device-based, location-based and proximity-based interactive interfaces for obtaining and displaying data via communications networks on digital displays; hosted software services, namely, software as a service (SAAS), application service provider (ASP) services and application programming interface (API) services featuring software for use by others in connection with customizable digital messaging, interactive digital personalization of gift cards, subscription services, online registries, online ticket gifting and purchasing, electronic notifications and confirmations, loyalty program management, viral loyalty campaigns, reservation management, electronic and physical greetings, electronic and physical marketing materials, purchasing of goods and services, account registration and management, contests and sweepstakes, advertising, targeted advertising, promotional messaging and educational messaging, for distribution and redemption of electronic stored value cards, for curating gift recommendations based on user input, for selecting and purchasing gifts for others, for arranging and conducting electronic promotional events, and for users to submit, obtain, interact with and transact data via communications networks