RT @ReelDx: A retired teacher schools @SpiroDavid. What can you learn from this video? http://t.co/syF1szvQne http://t.co/zOHcfK6BXa

RT @ReelDx: A retired teacher schools @SpiroDavid. What can you learn from this video? http://t.co/syF1szvQne http://t.co/zOHcfK6BXa (via Twitter http://ift.tt/1lgxub4)