static function init()
 {
     if (isset($_GET['opensocial_app_id'])) {
         self::$appId = $_GET['opensocial_app_id'];
     }
     if (isset($_GET['opensocial_owner_id'])) {
         self::$ownerId = $_GET['opensocial_owner_id'];
     }
     self::$consumer = new OAuthConsumer(self::$consumerKey, self::$consumerSecret, null);
 }