"As many events transition from in-person to virtual, keynote presentations remain important as calling cards that motivate people to register for the overall event. After all, people expect to hear one or more keynotes as part of an in-person event, and they expect the same from a virtual event. So keynotes at a virtual event are just as important as keynotes at an in-person event (and perhaps even more so.)"
Use this article to gets tips on how to adapt a keynote speech for a virtual event.
