code: function facebookify(parentNode, childNode, options, callback) {
      Embedo.utils.sdkReady('facebook', function (err) {
        if (err) {
          return callback(err);
        }
        window.FB.XFBML.parse(parentNode);
        window.FB.Event.subscribe('xfbml.render', function () {
          // First state will be `parsed` and then `rendered` to acknowledge embed.
          if (childNode.firstChild) {
            if (options.centerize !== false) {
              Embedo.utils.centerize(parentNode, childNode, options);
            }
            if (childNode.firstChild.getAttribute('fb-xfbml-state') === 'rendered') {
              automagic(parentNode, childNode, options, callback);
            }
          }
        });
      });
    }
docs: @function facebookify
  Parses Facebook SDK
  
  @param {HTMLElement} parentNode
  @param {HTMLElement} childNode
  @param {object} options