Using a modern browser that supports WebRTC, like a recent version of Chrome or Firefox, open several windows of [http://localhost:12345](http://localhost:12345).
Copy your user ID from one client to the peer ID input on another client to establish a connection between the two.
Using a modern browser that supports WebRTC, like a recent version of Chrome or Firefox, open several windows of [http://localhost:3000](http://localhost:3000).
They will – for now – automatically connect with each other using the server for signalling.