If your attendees are adventurous, a VR platform will allow them to interact with each other and the presenter/performer. Attendees are assigned an avatar and are free to wander, chat, dance, digitally spray paint, and avoid large dragon creatures or any other virtual entities you wish to include. Kill the Noise, otherwise known as DJ Jacob Stanczak, hosted a series of live DJ sets on VR platform Wave, and the same technology can be used for a car launch or keynote.
Watch a YouTube video of one of his old raves from 2017.