<http://schema.org/url>
<http://qz.com/120068/oil-prices-are-up-because-of-a-crucial-little-detail-in-how-we-count-barrels-of-oil/>
<http://qz.com/120068/oil-prices-are-up-because-of-a-crucial-little-detail-in-how-we-count-barrels-of-oil/>