<http://schema.org/url>
<http://www.businessweek.com/articles/2013-09-30/did-dr-dot-dre-underprice-his-beats-in-the-carlyle-deal>
<http://www.bloomberg.com/bw/articles/2013-09-30/did-dr-dot-dre-underprice-his-beats-in-the-carlyle-deal>