Automatically keep your backbone models up-to-date via web sockets by listening to couchdb changes feed

server.js

var db = new (require('cradle').Connection)().database('my_db');
db.info(function(err, result) {
  var seq = result.update_seq;
  db.changes({since: seq, include_docs: true}).on('change', function(change) {
    if (change.doc && change.doc.owner) {
      io.sockets.in(change.doc.owner).emit('change:' + change.doc.type, decorate(change.doc));
    }
  });
});

some-model.js

var SomeModel = Backbone.Model.extend({
  initialize: function() {
    mySocket.on('change:some_type', function(data) {
      if (data.id != this.id) return;
      this.attributes = data;
      this.trigger('change');
    });
  }
});