Virtual events are when you have various presenters video in from different locations. You can have a host in their home location. The entire event is done from everyone’s home.
An upcoming new technology allows high quality video with a camera that can be controlled remotely. The camera is using PTZ, which means pan tilt zoom and NDI which is an interface that can connect directly to the internet. What this means is that a camera can be controlled remotely sending very high quality video over the internet. Following is a simple video showing the difference between a webcam in a Mac and an PTZ NDI camera.