<http://schema.org/keywords>
"Autos, Companies, Consumer Products, Investing, Personal Technology, Software, Technology, Transportation, Travel, story"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bloomberg.com/bw/articles/2014-02-28/if-uber-is-killing-taxis-what-explains-new-yorks-million-dollar-medallions>