def post(self):
     """Set Announcement in Memcache."""
     # TODO 1
     # use _cacheAnnouncement() to set announcement in Memcache
     confwebsafekey = self.request.get('confwebsafeKey')
     speaker = self.request.get('speaker')
     ConferenceApi._cacheFeaturedSpeakersAnnouncement(confwebsafekey, speaker)