text: // client
  // set-up a connection between the client and the server
  var socket = io.connect();
  
  // let's assume that the client page, once rendered, knows what room it wants to join
  var room = "abc123";
  
  socket.on('connect', function() {
     // Connected, let's sign-up for to receive messages for this room
     socket.emit('room', room);
  });
  
  socket.on('message', function(data) {
     console.log('Incoming message:', data);
  });
  // attach Socket.io to our HTTP server
  io = socketio.listen(server);
  
  // handle incoming connections from clients
  io.sockets.on('connection', function(socket) {
      // once a client has connected, we expect to get a ping from them saying what room they want to join
      socket.on('room', function(room) {
          socket.join(room);
      });
  });
  
  // now, it's easy to send a message to just the clients in a given room
  room = "abc123";
  io.sockets.in(room).emit('message', 'what is going on, party people?');
  
  // this message will NOT go to the client defined above
  io.sockets.in('foobar').emit('message', 'anyone in this room yet?');