<http://schema.org/mainEntityOfPage>
<http://www.engadget.com/2010/02/24/barnes-and-noble-ceo-describes-nook-as-single-best-selling-prod/True>
<http://www.engadget.com/2010/02/24/barnes-and-noble-ceo-describes-nook-as-single-best-selling-prod/?ncid=rss_semi>