curl -X POST http://localhost:5000/token -H "Content-Type: application/json" -d '{"identity": "Sarah"}'
<script src="https://cdn.jsdelivr.net/npm/@twilio/video-room-monitor/dist/browser/twilio-video-room-monitor.js"></script> Twilio.VideoRoomMonitor.registerVideoRoom(room);
Twilio.VideoRoomMonitor.openMonitor();
https://rtc-diagnostics-video-1x6zv5vy-3924-dev.twil.io
https://twilio.github.io/twilio-video-processors.js/examples/virtualbackground/