<http://schema.org/keywords>
"Advertising, Digital Entertainment, Entertainment, Internet, Media, Personal Technology, sales and marketing, Site Design, Sports Business, story"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bloomberg.com/bw/articles/2014-02-12/watching-olympics-online-heres-why-you-see-the-same-ads-over-and-over>