Software as a service (SAAS) services, namely, hosting software for use by others for for organizing and conducting customizable 3D immersive, virtual events and virtual hybrid events, namely, meetings, tradeshows, conferences, symposiums, expositions, seminars, training events, job fairs, lead generation events, industry networking events, online classrooms and/or combinations of the above; Providing temporary use of a secure, privately-branded non-downloadable web site on the global computer network featuring non-downloadable software for enabling users to participate in customizable 3D immersive, industry networking events, trade expositions, conferences, and/or combinations of the above, remotely; providing on-line non-downloadable software for streaming, webcasting and delivering live and pre-recorded audio-visual content; software as a service (SAAS) services featuring software for conducting virtual hybrid events, namely, for conducting tradeshows, conferences, symposiums, expositions, job fairs, meetings, product launches, corporate briefings, learning programs, industry ai-enabled networking programs, and for generating business leads