code: function wireDestinationClickHandlers(){
  
      $twitter.isAuthenticated && $twitterDestination.bind('click', twitterDestinationClickHandler)
      $facebook.isAuthenticated && $facebookDestination.bind('click', facebookDestinationClickHandler)
      $dropbox.isAuthenticated && $dropboxDestination.bind('click', dropboxDestinationClickHandler)
      
    }
docs: Attach click handlers to respective elements.