Here's this guy (the subject not the blogger) over there worried about the future of the human race through several mediums, and I'm all over here worried about how to brew a great beer.
http://waitbutwhy.com/2015/05/elon-musk-the-worlds-raddest-man.html
http://waitbutwhy.com/2015/05/elon-musk-the-worlds-raddest-man.html