protected function getTwitter()
 {
     if (!$this->twitter instanceof Services_Twitter) {
         $request = new HTTP_Request2();
         $request->setConfig(array('connect_timeout' => 1, 'timeout' => 3));
         $this->twitter = new Services_Twitter(null, null, array('format' => Services_Twitter::OUTPUT_JSON, 'use_ssl' => true));
         // Services_Twitter is set to API v1, which is dead. Remove this
         // when Services_Twitter has a new release.
         Services_Twitter::$uri = 'https://api.twitter.com/1.1';
         $this->twitter->setRequest($request);
     }
     return $this->twitter;
 }