Elon Musk made a secret appearance to elite US Marines and gave a stirring speech

http:// www.businessinsider.com/elon-musk-marine-raiders-secret-speech-2017-11?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+typepad%2Falleyinsider%2Fsilicon_alley_insider+%28Silicon+Alley+Insider%29