<http://schema.org/about>
"It's worth keeping tabs on some of the world's most eccentric billionaires, especially if it was their wacky ideas that made them so rich to begin with."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/leaderboard/photos/7-billionaires-and-their-crazy-ingenious-ideas/peter-thiels-floating-cities>