Elon Musk says AI and robotics could play a key part in giving everyone around the world 'a very high standard of living,' but the billionaire cautions we all need to be 'very careful' with the breakthrough technologies. #fox #media #breakingnews #us #usa #new #news #breaking #foxnews #technology #ai #robotics #innovation #future #economy #global #elonmusk #elon #billionaire #science #automation Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com