old_contents: var fs = require('fs');
  var config = JSON.parse(fs.readFileSync('./config.json'));
  
  var express = require('express');
  var app = express();
  var server = require('http').createServer(app);
  var io = require('socket.io')(server);
  
  app.set('port', (process.env.PORT || 5000));
  app.use(express.static(__dirname + '/public'));
  
  var Twit = require('twit');
  var twitter = new Twit({
    consumer_key: config.twitter.consumer_key,
    consumer_secret: config.twitter.consumer_secret,
    access_token: config.twitter.access_token,
    access_token_secret: config.twitter.access_token_secret
  });
  
  app.get('/', function(request, response) {
    response.send('Hello world!');
  });
  
  server.listen(app.get('port'), function() {
    console.log("Node app is running at localhost:" + app.get('port'));
  });
  
new_contents: //load the config json file
  var fs = require('fs');
  var config = JSON.parse(fs.readFileSync('./config.json'));
  
  //create and configure the express app and server
  var express = require('express');
  var app = express();
  var server = require('http').createServer(app);
  var io = require('socket.io')(server);
  
  app.set('port', (process.env.PORT || 5000));
  app.use(express.static(__dirname + '/public'));
  
  //set up the twitter instance
  var Twit = require('twit');
  var twitter = new Twit({
    consumer_key: config.twitter.consumer_key,
    consumer_secret: config.twitter.consumer_secret,
    access_token: config.twitter.access_token,
    access_token_secret: config.twitter.access_token_secret
  });
  
  //homepage
  app.get('/', function(request, response) {
    response.send('Hello world!');
  });
  
  //start the server listening for requests
  server.listen(app.get('port'), function() {
    console.log("Node app is running at localhost:" + app.get('port'));
  });
  
subject: put the comments back in