Downloadable software in the nature of a mobile application for sharing and receiving information about parties and special events; Downloadable computer application software for mobile devices and tablets, namely, software for planning, promoting, discovering, preparing for, creating invitations to, transmitting invitations to, and managing parties and special events, all via a global communications network; Downloadable mobile application that enables event organizers and attendees to check-in, scan, and validate invitations to parties and special events