<http://schema.org/thumbnailUrl>
<http://si.wsj.net/public/resources/images/BN-DO817_0709ST_E_20140707172211.jpg>
<http://www.wsj.com/articles/my-toothbrush-is-smarter-than-yours-oral-b-smartseries-bluetooth-toothbrush-review-1404846529?mod=Life_and_Style_newsreel_3>