<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/US/2012/11/22/Not-all-Black-Friday-prices-are-lowest/38501353573000/>
<http://www.upi.com/Top_News/US/2012/11/22/Not-all-Black-Friday-prices-are-lowest/UPI-38501353573000/?spt=mps&or=2>