PROVIDING A WEBSITE ON GLOBAL COMPUTER NETWORKS FOR MANAGEMENT OF LIVE IN-PERSON AND VIRTUAL ATTENDEES OF TRADESHOWS, EXPOSITIONS, SEMINARS, SYMPOSIUMS OR EVENTS AND FOR THE WEBCASTING OF REAL-TIME AND ON-DEMAND VIEWING IN THE FIELDS OF PUBLICATION, MARKETING, MANAGEMENT AND ATTENDANCE TO EVENTS AND USED IN THE ARRANGING, CONDUCTING OF, AND VIRTUAL ATTENDANCE AT TRADESHOWS, EXPOSITIONS, SEMINARS, SYMPOSIUMS OR EVENTS